How to Replace a VW T25 Speedo Cable – Step-by-Step Guide

Got a noisy speedometer in your VW T25? Watch our step-by-step guide to replacing the speedo cable, from removing the old cable to fitting a new one.

In this practical Just Kampers video guide, our mechanic Mark demonstrates how to replace a speedometer cable on Tim's VW T25 campervan. With the speedometer making an unwanted noise, Mark investigates the issue and takes viewers through the process of removing the existing cable and installing a replacement.

The speedometer cable is an important part of the VW T25's mechanical speedometer system, connecting the speedometer in the dashboard to the drive mechanism at the front wheel hub. Over time, these cables can become worn, damaged or incorrectly routed, potentially causing speedometer noise, erratic readings or a speedometer that stops working altogether.

Throughout the video, Just Kampers demonstrates how to access the rear of the speedometer by removing the instrument binnacle cover and carefully disconnecting the speedometer cable. He also explains how the instrument cluster can be moved forward if additional access is required, making it easier to release the cable without damaging surrounding components.

The guide then moves to the nearside front wheel hub, where the speedometer cable passes through the centre of the hub and connects to the grease cap. Mark shows how to remove the retaining E-clip and withdraw the old cable before preparing to install the replacement.

To make routing the new cable easier, Mark lowers the spare wheel carrier and removes the front grille, providing additional access to the cable's route through the vehicle. He demonstrates how to feed the replacement cable through the bulkhead and into position, including temporarily moving the headlamp to help guide the cable through the front panel area.

The video also highlights the importance of correctly positioning the weatherproof grommet, applying a small amount of suitable grease when feeding the cable through the hub and securing the cable with its retaining clip. Mark then checks the cable routing, ensuring it is correctly positioned and clear of surrounding components before refitting the spare wheel and dashboard trim.

Parts and products featured in this video include:

Speedo Cable (Left-Hand Drive) VW T25 1981–1992 (J12274) – A replacement speedometer cable listed on the Just Kampers video page for compatible left-hand-drive VW T25 models.

The video also shows the speedometer cable retaining E-clip, wheel hub grease cap and cable grommet as part of the installation process. These components help secure the cable and protect its route through the vehicle.

When ordering a replacement speedometer cable, it's important to check whether your VW T25 is right-hand drive or left-hand drive, as well as its model year and the compatibility of the replacement part.

This guide is ideal for VW T25 and T3 owners, campervan enthusiasts, DIY mechanics and anyone experiencing a noisy or faulty mechanical speedometer. Whether you're maintaining your classic VW campervan, investigating a speedometer problem or carrying out a restoration project, the video provides a useful visual reference for replacing the cable.

By watching, you'll learn how to access and disconnect the speedometer cable behind the dashboard, remove it from the front wheel hub, route a replacement cable through the vehicle and secure it correctly. You'll also gain a better understanding of how the VW T25 speedometer cable connects to the front wheel and why correct cable routing and fitting are important for reliable operation.

Did you know that our colleagues at Just Kampers Insurance have been offering specialist vehicle insurance since 1998? You can get a great deal on insurance for a huge range of vehicles, from daily drivers to treasured campervans, and everything in between. Just Kampers Insurance works with a huge network of insurers to find you the best deals, and they're so confident that they'll send you a £50 Just Kampers gift voucher if they can't beat your like-for-like quote!

Insuring your vehicle with Just Kampers Insurance also gets you a 10% discount on orders here at Just Kampers, which could save you even more money!

Video Transcript: How to change a speedo cable on a T25. 

(00:00) The next job to carry out on Tim's T25 is to sort out the noisy speedo. So to fix that problem we're going to replace the cable the first thing we need to do is gain access to the back of the speedo here so we need to remove this top part of the binnacle cover now to do that it's on to clips at the back and then pulls forward with a bit of pressure on the top pushing backwards you can actually lift it out the clips quite easily. I'm going to slide it forward, and off it comes. Then we're going to disconnect our cable that

(00:30) goes to our brake reservoir, brake fluid reservoir so we can undo that carefully remove the plastic and then all we need to do is to remove the cable from the back of the speeder if you're not confident in getting your hand down there and pulling the speedo cable off you can undo the screws and gently move the whole Pinnacle forward you can just literally squeeze one of the lugs and it lifts up the lock and off you slide it off so the speedo cable actually comes down through to the front wheel here on the near side

(00:57) and the cable actually comes through the center of the wheel hub and out to the grease cover on the outside the grease cover has got a square drive that the cable actually fits into and then an e-clip secures the cable in place so all we need to do is remove that e-clip and we can withdraw the cable all the way from The Hub so with the aid of a small screwdriver we can just lift that e-clip off and out there we go careful not to lose him and then our cable will then just push through the cap so I can withdraw the cable from the other side

(01:26) so with a firm pillow on the cable I should be able to pull it through that Hub sometimes they're a bit sticky there we go that's out so now our Cable's withdrawn from our Hub the next thing we need to do is drop the spare wheel down that will give us access to where the cable goes through into the cab excellent so now we should be able to withdraw the cable up through into the cab keep going that goes off down as you can see just about where it goes through under there so we'll pull that through and then we can feed the new one back down through

(02:02) this way also so before we slide our new cable into position we're going to remove the Grille first that'll give us some access to the back of the dash and make it a lot easier to get our cable down through so these are on little half turn clips cable and I've put a little bit of electrical tape around the end just to sort of prevent any hang ups on the way down the grommets into position and move that further up that's ready to go so all I need to do now is just feed it through our bulkhead and I can go the other side

(02:37) where we've removed the grill and then manipulate the cable into position and run it down to where we need to now I've actually got the speedo cable a little bit jammed up here beyond the headlamp so next thing I'm going to do is just pop the headlamp forward and then I should be able to retrieve the cable there we go oh lovely so now I can grab hold of the cable put it through it so with the headlight pulled forward we can make sure that our weatherproof grommet is seated correctly use the end of the cable I can just

(03:10) start pulling it through lovely so before we go any further we just need to remove that piece of uh electrical tape that we put on the end to help us get down to where we are now I don't want to be putting that through the Hub so let's remove that so all I need to do now is feed that through the center of the Hub and pop a little bit of grease on the cable this will help us slide it through our hub center there we go slid through the Hub so as you can see the cable's just about to come through our grease cap so I'm

(03:46) just going to push the cable from behind and then Aid it through guide it through with our little screwdriver yep there we go it pops through and now I can get our re-clip on that'll stop him falling back through carefully get our Eclipse started and then push them on with a her long nose pliers there it's clipped on Lovely brilliant I'm just going to check our cable routing just past our spare wheel carrier and then we get the spare wheel back in and get that up just make sure it is in the right position and not

(04:19) getting caught anywhere I've just secured with the cable tie just to keep it in the right position [Music] so our last piece of the puzzle is to pop the dashboard back together we've already clipped on our Speedo cable onto the back of the speedo here so now we can we can remove our brake level sensor and pop them back in once we've got our plastic protector back in and then when we pop our Pinnacle cover back on the front goes in first and locates into some little Clips there and then there's just two clips at the back.

(04:52) So now we just push the two back, and that's it, so for more hints and tips and how healthy videos follow us on YouTube, Facebook, Instagram and check us out at justkampers.com. Thanks for watching. Thank you.