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Mercedes vito sliding door lock mechanism replacement. Jun 19, 2018 · Your Mercedes.

The physical lock/unlock buttons work ok from inside. Temperature sensor. Used Sliding door lock mechanism, right. I've seen it happen a couple of times. Jul 6, 2006 · Vito Fuse Box is under the front passenger's seat (right hand drive). Metris. then check all rollers on the guides they should turn easily. Mar 1, 2015 · 328 posts · Joined 2006. The child lock manual switch in the end of the sliding door is in the off position - have double-checked to make sure it's fully 'open'. Quantity: Last one / 4 sold. 6 109 CDI 16V. ITEM DETAILS LOCK MECHANISM – MERCEDES VITO 2015-2023 Make: MERCEDES Year: 2016 Engine Size: 2. Cigarette lighter fuse. You can also find secondary locks that secure your door in an open or closed position using a pin and retaining ring. I never repaired or replaced prior to selling so can't say I definitely found the cure. Here you can find a range of top quality spare parts, such as Door lock for your MERCEDES-BENZ VITO Bus W639 engine variants Door lock mechanism for MERCEDES-BENZ Vito Minibus (W639) Diesel / 2. Be careful not to apply too much force, as this can damage the door or handle. 2016 Mercedes-Benz Metris L4-2. Feb 19, 2014 · Just to remind the issues were: 1. If the door appears misaligned, it’s essential to check for any physical obstructions and ensure that the tracks are clear. Accessible from the inside, held by 3 torx screws. Illustrated step-by-step manuals and video tutorials on replacing MERCEDES-BENZ VITO Door Lock will tell you how to carry out DIY replacement of parts and maintenance of your car quickly and cheaply. 166 Door Hinge. £ 3,84. E270 Estate 2003 and *Her* C220 W203. You probably have this figured out by now but anyway, put the key in the lock, turn the key, push in the brass part with a small screw driver, paperclip, anything small enough and then just wiggle the key out, barrel will come with key. € 211,75 Incl. mercedes-benz vito door lock. i have a W639 2010 Vito Taxi. The door lock in the front passenger door was not responding to the door Aug 23, 2017 · Aug 23, 2017. Make sure the lock is firmly in place, but avoid over-tightening, which could damage the lock or door. 1x62. Derbyshire. Look carefully at where the rear of the door, where the lock catches onto the D-plate and inspect for damage, check the other side to give an idea what it should be like. I'm having issues with a side door that'll be dealt with when warmer. £295. This could be due to a broken or worn out door lock, or any other issue with the lock. 701, 639. Article number: 02. All doors and the tailgate are locked once you have done this Jun 11, 2009 · 91 posts · Joined 2008. VAT. The door open warning light is constantly flashing and the central locking unlocks immediately after locking. This problem often leads to the door not closing properly or getting stuck in a half Aug 27, 2022 · hi just a quick video to replace the bottom roller on the sliding door on Mercedes vito w639 model got told by lots of people its an hours job so decided to Jul 10, 2024 · In order to replace the external handle of the Mercedes Vito sliding door, you need to open the aforementioned door, detaching the circular cover located on its side. when locking the door, the indicator won't Mar 8, 2023 · #mercedes #switch #diy #viano #w639 #uk Mar 12, 2024 · Replacing a UPVC door lock requires not only a new lock but also the appropriate tools, much like any uPVC door repair. Next, attach the new handles to the spindle. 2) When the car is locked remotely (using key FOB) the lights don't flash as they are supposed to (although they do flash when unlocking) May 26, 2020 · Used factory bolts to secure in place. MERCEDES-BENZ VITO REAR RIGHT DOOR LOCK MECHANISM A6397401335 GENUINE. Once this cover has been removed, it will be possible to unscrew the underlying screw, removing it completely: consequently, the door lock can be extracted from inside its housing 【TOP DEAL】⚡️ Order Door lock suitable for MERCEDES-BENZ Vito Minibus (W639) 109 CDI (639. (moly, or cv grease) the rollers jam with crap and stop turning it is common to find one not May 27, 2024 · Step-by-Step Guide to Replacing a Sliding Patio Door Lock. Estimate. Find many great new & used options and get the best deals for MERCEDES VITO W447 Sliding Door Latch Locking Mechanism Left A4477303900 at the best online prices at eBay! Free delivery for many products! May 22, 2024 · Mercedes-Benz: Vito: 2024: Diesel Van: 114 CDI 4x4: AWD -- W447: 2143cc 100KW 136HP OM 651. Save on Exterior Locks & Lock Hardware. Find many great new & used options and get the best deals for Mercedes-Benz A6397300435 Sliding Door Lock - Black at the best online prices at eBay! Free delivery for many products! Mercedes Vito window regulator replacement/removal. the driver side sliding door and rear door won't lock or unlock by central lock. ---- Used. Because my doors open when I close the front doors, look where the cables feed front the front doors into the door hinge post. A hammer and piece of wood will be required to knock it back Find many great new & used options and get the best deals for MERCEDES+W638+Sliding+Door+Lock+Mechanism+Latch+Right+VITO+Class+W638+6387600040 at the best online prices at eBay! Free delivery for many products! WINDOW REGULATOR REPAIR KIT FITS CITROEN C3 / REAR LEFT. NTY EZC-ME-011 Tailgate Lock Boot. Illustrated step-by-step manuals and video tutorials on replacing RENAULT MASTER Door Lock will tell you how to carry out DIY replacement of parts and maintenance of your car quickly and cheaply. #7. The drivers side unlocks without issue and I can open the passenger side sliding door but I need to release it from inside first. 79. Occasionally same door apparently closed, but showing as open on the instrument cluster. New listing MERCEDES BENZ VITO W639 SLIDING DOOR LATCH FEMALE LOOP HOOK For Mercedes Benz Vito W639 A6397401635 Rear Liftgate Tailgate Door Latch Lock. Our vehicle is a 2009 Mercedes Vito Van 111 2. I am able to unlock from front drivers side and in the rear. price incl. Find many great new & used options and get the best deals for A6397300535 Lock Door Sliding Right MERCEDES VITO Combi 1409819 at the best online prices at eBay! Feb 3, 2018 · Interior handle cable in place and won't unlock mechanism, can see this connected on locking mechanism inside door. #6. For sturdy, reliable locking, choose a patio door lock built from stainless steel, chrome, aluminum or diecast metal. Slide the new spindle into the door, aligning it with the holes on the interior and exterior sides. Jun 19, 2018 · Your Mercedes. If you want to disable auto levelling just push the levelling switch and hold them for 5 second until the autolevelling suspension light stop blinking. 55. Access the lower track that your sliding door rides on, wipe it clean of debris using a dry rag, and use white lithium grease spray and wipe it against the track. n. My diagnosis was a faulty micro switch within the lock actuator. my vito had some central locking problem and fixed. 3 (638. 33 (ex. 2003 Door lock actuator for other top car models MERCEDES-BENZ Vito Mixto (W639) Door lock May 18, 2023 · I know there are more than 1 type of locking mechanism. where possible we recommend you purchase The price of car parts within the category Door parts suitable for MERCEDES-BENZ Vito Minibus (W639) ranges from £11 to £45, depending on the manufacturer and product specifications. 78 per month for 24 months with PayPal Credit*. How to remove door cover? How to replace or fix your window reg May 8, 2017 · W639 sliding door not locking/unlocking. 4. 【TOP DEAL】⚡️ Buy Door lock suitable for MERCEDES-BENZ VITO build year 2020 as well as other car parts suitable for VITO 2020 at discount prices directly from the warehouse Mercedes Vito Sliding Middle Door Runner W639. #2 · Jan 5, 2015. Mine was a bitch to allow for the 2 rear doors to lock, but not only. left-hand side id normal. If the Air Suspesion fuse blow change it to 30A. Nov 6, 2009 · Here are the things I think are related 1) The rear driver's side door won't lock/unlock with the rest when central locking is activated. Safe Order 200 days. They will unlock as normal. Particularity Can be ordered 24/7 via deijne. Behind the inside panel would be the motor and control electronics if you had electric doors. Right. Jan 4, 2015 · 2420 posts · Joined 2006. Make sure everything lines up and functions smoothly. Loosen the Screws: Using the appropriate screwdriver, remove the screws from the lock. 2032-515 original door sliding mechanism it’s must to drill parallel to the vehicle! drill Ø3mm and enlarge Ø6mm stopper Free car repair guides. Mercedes Vito Sliding Door Window Glass Handle Grip Latch Lock Opener W639 1 x Sliding Window Interior Handle Opener Fits Mercedes VITO VW Transporter 1990-2004 Product description: Type Sliding Window Fitment Type Direct Replacement Color Black Placement on Vehicle Left, Right Courier nationwide for R100 Front Right Door Lock Actuator Latch for BMW E39 E60 E61 E81 E82 E87 E90 F10 F80. £9. Our sliding door was having issues with the interior door handle and it continually got worse on our last road trip to Canada (videos to come!)As a result, w The Mercedes Vito electric sliding door may encounter issues with alignment, causing it to stick or not close properly. £3. The central locking is also working fine both with the fob and via the dash button. Mercedes Vito 111cdi 2010. Condition: New. 20% VAT, excl. Motion locks working, led light working. VAT) Browse our range of Van Locks & Security Products with Mercedes Vito Model. Power slide components, opening. £45. It’s a torx bit to undo the bolt not an Allen key! Older models like the Mercedes-Benz S 420 are the most likely to feature a door lock that requires a key being inserted into the locking mechanism. #mercedesvito electric sliding door mercedes sprinter 907, 910 from 2018 05. Fuse and relay location. Rear N/S door won’t lock from inside. Here are some suggested mercedes-benz vito door lock parts, click to view our range. Had the panel taken apart and found that when I disconnected the cable from the door module the actuator latch assembly would close it. I bought the part and so far cannot figure out how to fit it! Went for the full assembly, so just unbolt the old and bolt the new on. Find your Mercedes Door Lock Mechanism HERE With The UK’s No. Looking forward to feed back. #1. Sliding doors have recently been off for a respray (Vans looking great!) Both doors are sliding and shutting/locking OK but one of them squeeks and vibrates when we are moving (even if locked). REAR DOOR LH MERCEDES VITO MK3 - 12951713. Inspect the Door: Check for any damage or debris in the lock area and clean if necessary. it fits Apr 12, 2021 · 5. . Dec 7, 2015 · The door also works fine from outside. Free Shipping. HELP!! Mar 13, 2013 · 639 115cdi central locking. 28. 2 - 3. £29. Can't figure out how to fit it to the channel though - I am guessing the step Genuine Vauxhall Astra Zafira Corsa Vectra 8. 53. When I strip the door skin off I'll follow the wiring to understand better, but the drawing aren't totally correct to my set up, but for for the lock 2nd stage micro switch it looks to be. Faulty Door Lock – The door lock is responsible for keeping the sliding door secure. Aug 10, 2007 · I think my V-class has a problem with one of the door sensors. 3. A simple check of the lock is to use a rod (Philips driver blade) to insert into V of the lock when the tailgate is lifted. With this type, you only need to press a specific button on the fob to either lock or unlock the door. And for wood and vinyl sliding doors, select mortise locks specially designed to accommodate them. FRONT DOOR RH MERCEDES VITO MK3 SILVER - 12941077. 56 - $812. Push it home and then see if the van Jul 10, 2024 · In order to replace the external handle of the Mercedes Vito sliding door, you need to open the aforementioned door, detaching the circular cover located on its side. 47. Jun 29, 2022. $488. 95 New. It has to be manually locked/unlocked. Later there is the addition of a micro switch to the child lock, ealier locks didn't have this. lift the step on the sliding door to see if the cables have been exposed from the friction on the bottom runners, apparently they are not very well attached. Find many great new & used options and get the best deals for Door Lock MERCEDES VITO W447 Sliding Door Right A4477301035 at the best online prices at eBay! Sep 18, 2020 · Share pride to your ride Interested on working on your own cars. (Haven't tried LHS ECU in RH door or vice versa Be careful not to apply too much force, as this can damage the door or handle. Many owners have reported difficulty securing and unlocking these doors, which can be frustrating and inconvenient. Be sure to apply a generous coating. Utilising the correct tools is vital for a successful and secure replacement of a UPVC door lock. Jul 21, 2020 · Location. Mar 8, 2013 · Your Mercedes. Look at the interior lighting section, too. 2009 S211- 646, 5sp Auto. I spray the locking mechanism with WD40 and when it's dried off after a day or so then I spray with silicon lubricant. Find many great new & used options and get the best deals for Mercedes-Benz W639 VITO Van LH Sliding Door Lock (A6397300835) at the best online prices at eBay! Free delivery for many products! Nov 6, 2023 · 2010 C300 W204. May 29, 2018 · Metris sliding door issue. Jun 19, 2018. Price: £270. Once the lock is secured, reattach the interior handle or panel. Jun 30, 2012 · 07 vito 115CDI central locking fixed. (Note: you need to move sliders around to access all the bolt holes). £8. Solution - Fixing the rattling sound is straightforward. А convenient app for buying car parts. £495. Hi All, my 2008 Vito side rear door has decided it is no longer unlocking consistently with the remote lock/unlock. As I close it I give an extra shove at the back of the door where the mechanism is to 'assist' it. 1 Car Part Finder. Jul 17, 2019 · PEUGEOT. 1. Pressing lock again within 5 seconds causes it to lock properly, going through the lock, unlock, lock process. Volt metered ECU output to door lock pins 1, 2 & 4 voltage is present and a higher voltage (around 10VDC when operating central locking for several seconds, so believe door ECU okay. FRONT DOOR RH MERCEDES VITO MK3 - 12905999. TRUCKTEC AUTOMOTIVE 02. This is how to replace a sliding glass door patio lock step by step - remove and install. Door issue. May 31, 2020. 0L Turbo. Assignment of the fuses and relay Mercedes Vito /Viano W639 2003-2014. Or Could be door contacts but I need to get the door open. DIY: Replacing the door lock actuator. Left. mercedes-benz vito door lock solenoid. Mar 8, 2013. 6) 1. VAT € 175,00 Excl. £76. Year of construction2015 | Classification codeA2 |2-dr | Delivery |Central lockingYes |Part numberA4477304000. nl. 85. 70. New Sliding Door Roller / Runner Guide Middle runner Right and left in stock A6397601747 Price R1700 Add R100 for Fastway courier service to any address in ZA, delivered Door to Door (if you are outside of Port Elizabeth) Also sell Complete Kits RH or LH (Top Middle and Bottom For R3800,00) 3mo. #4. mercedes-benz vito door lock striker front. Door Lock Actuator - Rear Hatch/Trunk Replacement. 950: ONLY GUIDE! Does not guarantee correct part fitments!!! Read more Read more compatibility notes Read less Read less compatibility notes: Mercedes-Benz: Vito: 2024: Diesel Van: 111 CDI: FWD -- W447: 1598cc 84KW 114HP OM 622. £ 32,99. Mercedes Vito W639 Viano sliding door roller guide hinge / bottom right 471F | eBay. I’m sure it is the actuator that is faulty as I can intermittently hear the motor make a click when cycling the lock/unlock. The O/S sliding door is fully operational. 978, M 111. Took it to the dealer and they said the actuator latch was not working and replaced it. Service type. Before beginnin Hopefully this helps with a frustrating issue. 5A. 5 Door Hinge Pin 90518425 obs. Your Mercedes. #2. Look at the power lock section of the service manual the cargo light "sensor" could be an open circuit where it's expecting to see the lock motor's coil resistance. $571. Jun 1, 2018 · 4 for the locks, 2 for the rear window. 703) 95 hp OM646. lite on the dash switch won't turn on anymore. Door Lock Actuator - Passenger Side Rear Replacement. Fuse box diagram. mercedes-benz vito door lock cable. Apr 23, 2010 · Apr 24, 2010. Once the old handle and spindle are removed, it’s time to install the new spindle. This handle set fits all popular flush lock punch-outs with a 6-5/8 inch hole center spacing, and it is used to replace damaged or missing flush mounted, hook style handle sets on sliding glass doors ranging from 1 inch to 1-1/8 inch thick door frames. 981 easily at AUTODOC Fast delivery and low prices Discover now for yourself May 16, 2021 · In this tutorial, we will guide you through the process of replacing the toothed belt on your Mercedes-Benz Sprinter's electric sliding door. Top MERCEDES-BENZ models: Door lock suitable for MERCEDES-BENZ E-Class, Door lock suitable for MERCEDES-BENZ C-Class, Door lock suitable for MERCEDES-BENZ VITO, Door lock Dec 1, 2019 · Mercedes Benz Vito Sliding Door Catch Fix Dec 15, 2015 · One of the sliding lever parts was sticking in the lock, if anyone is interested; Remove the lock and take the plastic cover and solenoid off it, then clean it all up and blast it out with a thin lube spray then manually move everything to make sure it moves freely, test the lock by using a screwdriver to shut it and make sure it latches, locks and unlocks and test a few more times, grease all Nov 23, 2023 · The roller on our sliding door has broken due to wear and tear, so this is how to replace it. the dash switch only do lock, but won't unlock the doors. This is my first post and first DIY, so I appreciate any suggestions to make it better. This component is responsible for controlling the locking mechanism and may require replacement if it’s no longer functioning correctly. Aug 11, 2021 · How to remove a door handle from a Vito side loading door. 2. I am not stating that this is the proper way to change a door lock actuator, but this is the way I did it, and it seems to work. Motor Assembly, Left. Jun 29, 2022 · 1. One of the most prevalent causes of sliding door lock problems in Mercedes Vito models is a malfunctioning actuator. That would push / pull the wire rope that would open / close the door. Jan 28, 2018 · My first stop would be to check the rear door for alignment. An automatic with key fob is most commonly seen on newer models such as the Mercedes-Benz E 350. Trending at AU $52. So, sometimes it will not unlock remotely, more importantly, sometimes it will not lock remotely, so I need to manually lock it inside Service type. The best selling Door parts replacement parts suitable for MERCEDES-BENZ VITO are available for your in original quality from our Door parts catagory. SLIDING DOOR RH MERCEDES VITO MK3 BLACK - 12949942. 18. May 14, 2024 · Insert the lock mechanism into the door and secure it with screws. Find many great new & used options and get the best deals for Mercedes-Benz A4477603300 Sliding Door Motor at the best online prices at eBay! Free delivery for many products! Garrison Locks Mercedes Vito 2015 Gold Security Pack (twin side and tailgate) £325. The lock mechanism has a 2 stage locking. Faulty Motor – The motor is what powers the sliding door. £12. remove the slide covers and clean EVERYTHING on top, mid and bottom. 69040-0C050 Front Left Power Door Lock Actuators Latch For Toyota RAV4 Camry New. then lube with molybdenum disulphide grease. 70 postage. #2 · Apr 9, 2015. if I sit in the van and press the button on the dash, it will lock all the doors ok. I think personally it is caused by the interior handle not being used often and then becoming gunked up at the Aug 21, 2017 · Location. 166. Any of the rear doors not engaging will prevent all from locking. clematis said: Vito 2003 old style. 094) (105 kW / 143 hp) M 111. (9) £26. Article number: 16SKV349. Shop/Dealer Price. Door cover removal and window problem fix. Sounds like the metalwork for the catchplate is bent. Right hand rear electric sliding door failing to open as the first door to unlock when the Viano was centrally locked (as it does when driving). If it is not working correctly, then it can cause the door to be difficult to open and close. The sliding door does use a simple button in the b-pillar door frame to trigger the lights. Once this cover has been removed, it will be possible to unscrew the underlying screw, removing it completely: consequently, the door lock can be extracted from inside its housing Nov 24, 2018 · This video shows how to disassemble and install the lower running gear of the sliding door on Mercedes-Benz Vito/Viano (V-Class)to remove the lower carriage Door lock mechanism Mercedes Vito W638 114 2. 49. Apr 26, 2020. Vito 09 w639. The sliding door mechanism is at the rear of the door, try pulling the handle and pushing the door out from the rear of the door if that doesn't work take the panel off ,there is a cable going from the handle to the locking mechanism you might have to get some needle nose pliers and try to release the lock. My diagnosis was a micro switch that senses the lock position within the lock mechanism within the door. From £12. It failing to see the door closed or bouncing in transit. Learn how to take apart the door and remove / install a door lock actuator on a W211 E-Class Mercedes Benz Dec 25, 2013 · 1. 700,000+ Car Spares, Tested & Guaranteed From Certified Breakers Yards. 29. This minimises the risk of damage to the door or the lock mechanism and ensures efficient task completion. #2 · Jun 13, 2009. 980 03/1997 - 07. Rear Right Door Lock Actuator Mechanism Lr011302 for Land Rover FREELANDER 2. AU $50. Insider tips tricks and car hacks weekly to enjoy from your workshops or home I'm on Ins Mar 1, 2024 · New Genuine Mercedes-Benz Vito 447 448 Left Sliding Door Lock A4477300702. 951: ONLY GUIDE! Does not Apr 27, 2024 · 2010 MERCEDES VITO W639 SLIDING DOOR LOCK MECHANISM RIGHT DRIVER A6397300735 cost or replacement part is not covered. delivery costs. Jan 17, 2017 · You will need to pull the interior panel off. Got a prob with rear door and the sliding doors not locking via central locking - alarm doesn't set, lights don't flash, dashboard indicates a door still open (although all closed and locked, I can lock them by pushing down buttons etc manually). 2014 639 Viano- 651, 5sp Auto. Jan 9, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Sliding Door Lock Problems Difficulty in Securing and Unlocking. To move slider mechanism, use a flat head screw drive press down on the disengaging tab (Marked by Surinder with the yellow masking tape) and at the same time push forward or back ward to reposition. 2017 Metris with 70k miles and a sliding door issue. Jul 21, 2020. Dec 22, 2023 · Hi hope someone can help, I have a 2019 Vito van and the passenger sliding door is stuck shut!. This is a very common task that most people will come across and it #mercedesdoorlockactuator #lockactuatorfix #mercedesmodificationwhats up guys back again with another video 🎥🎥if your new to the channel im mikey this is Apr 26, 2020 · 2014 639 Viano- 651, 5sp Auto. Detach the Lock Mechanism: Carefully pull the lock mechanism out of the door. It has automatic doors, when in drive and brake pressed doors should be locked. OR SELECT YOUR VEHICLE. 19 page 15 esd 1063 o r ig n a l 37 a 38 * door conveyor template p. Then check to see if the door lock/handle mechanism is jammed (the thumb-lock wire can fall under and jam); the plastic stuff from the key-lock is broken; or the cable to the latch is disconnected or gummed up (when gummed up it is slow to return to its rest state and jams the lock component of the Shop Mercedes Door Lock Mechanisms. The van won’t lock with the key fob, I have tried the spare and have the same issue… it will unlock ok but won’t lock. mercedes-benz vito power door lock relay. Apr 26, 2015 · The lock is at the back of the door, opposite the hasp on the pillar. 1 CDI. . squeaky clean. Last item available. 1L Fuel Type: Diesel Stock No: SN-00006745 Part Type: USED Model: VITO Years From/To: 2015-2023 Engine No: 65195033583880 VIN No: WDF44770323192415 Tag No: TN-0000132112 Colour: Blue Part Also Fits: VITO 2015 – 2023 447, RIGHT REAR DOOR LOCK, SLIDING DOOR, POWER … MERCEDES BENZ VITO 447 03/2015 The best selling Door lock replacement parts suitable for MERCEDES-BENZ CITAN are available for your in original quality from our Lock mechanism catagory. if it doesnt work, try change air suspension to normal spring suspension as being used by Vito Commercial vehicle. Hi All, I have an 09 w639 Vito that has just developed a central locking issue. £250. After that I can open and close it but as soon as I lock the cabin, the door won't unlock again. Find many great new & used options and get the best deals for Mercedes-Benz A6397300535 Loading Door Lock at the best online prices at eBay! Free delivery for many products! Mercedes Vito (447. 00. The price of car parts within the category Door lock suitable for MERCEDES-BENZ SPRINTER ranges from £3 to £69, depending on the manufacturer and product specifications. Dec 7, 2020 · The lock mechanism is within the door, toward the rear where the lock engages the U hasp. Door would slide shut but not close. Power sliding door. £75. Release those and the lock needs to be manipulated forwards before it can be swung inwards on the 3 wire rope cables. 0 liters / 2003 - 2021 MY Jan 8, 2017 · I recently purchased a 2011 Mercedes Vito 113 CDI LWB but the passenger side sliding door won't unlock with the key fob. 034, 638. The Mercedes Vito is known to have frequent issues with its sliding door locks. The U hasp for the tailgate is adjustable. + £3. Step 1: Remove the Old Lock. Use a thin spray tube to reach deep into crevices where fingers or brushes cannot reach. ESEN SKV 16SKV349 Tailgate Lock. This can be due to the door being knocked out of alignment or the track becoming obstructed. 99. Tighten the screws carefully. 84. tc jt tf lg cx or uj vl va gm