The largest and best supported Jaguar cars enthusiast site on the Internet!


Serving Enthusiasts since 1993
The Jag-lovers Web

Currently with 3,166 members





Jag-lovers' Ebooks
- Jag-Lovers' xj40 Ebook -

8.2 - Transmission Mount ( )

When the transmission mounts fail often the first thing noticed is a knocking noise when cornering as the propshaft hits the tunnel sides.

The tranny mount cross member has large round bucket hanging down. Put hand over the top of cross member towards the right and attempt to find middle of mount. You won't because the top cup of the mount (around 4" diameter) is in the way. Feel out from this and downwards and you should find smooth round steel ridge about 7 " in diameter (same as bucket). This is ring that hold bucket in place.

Between these two items is foam rubber ring set into top of bucket. This is the bit that rots and fails.

If you do manage to get your bearings when feeling mount you should be able to feel sideways slop if mount is shot. There should be no free sideways motion as foam should be snug fit (of course if you push hard you will compress foam).

Replacement is fairly easy as long as you take the weight of the transmission (2x4 on jackstand across sump will do). Remove the 4 bolts carefully as the spring will still be compressed. Try using a trolley jack to hold it and ease it down. The spring force is not huge but will give you nasty smack in the teeth if you're careless.

The rear of the crossmember won't come all the way down and it will start swinging towards rear. This is OK as the spring is almost uncompressed here. Just let it down and the spring will either stay put or pop out gently. There is a wire strap between the rear of the crossmember and the transmission mount. Remove clip and pin and the cross member and mount comes free.

Mount has a ring which holds assembly to cross member. Remove 3 bolts to reveal all the parts.

The foam retainer loses inner surface which allows sideways movement and allows the inner spring carrier to rise up out of the assembly. Because of this it's not obvious where the bits should be.

When putting new one in you have to put the bits in this order:

1...crossmember

2...spring cup(large)

3...rubber spring seat

4...large spring

5...foam ring

6...small cup with balance weight mounted in it

7...big ring with travel limiter pin mounting

8...small spring(goes inside small cup)

9...rubber spring seat

This sits in a cup on the transmission, and is stopped from moving to far by the travel limiter cable thatís held in place using a pin


 

sepbar.jpg (3094 bytes)

This section currently maintained by Pascal Gademer; questions, comments, submissions and suggestions, email pascal@jag-lovers.org

 

Please help support the move to the new site, and DONATE what you can.
A big Thank You to those who have donated already!

 


       
       
       
       

Go to our Homepage
Improve your Jag-lovers experience with the Mozilla FireFox Browser!

  View the latest posts from our Forums via an RSS Feed!

©Jag-loversTM Ltd / JagWEBTM 1993 - 2018
All rights reserved. Jag-lovers is supported by JagWEBTM
For Terms of Use and General Rules see our Disclaimer
Use of the Jag-lovers logo or trademark name on sites other than Jag-lovers itself in a manner implying endorsement of commercial activities whatsoever is prohibited. Sections of this Web Site may publish members and visitors comments, opinion and photographs/images - Jag-lovers Ltd does not assume or have any responsibility or any liability for members comments or opinions, nor does it claim ownership or copyright of any material that belongs to the original poster including images. The word 'Jaguar' and the leaping cat device, whether used separately or in combination, are registered trademarks and are the property of Jaguar Cars, England. Some images may also be © Jaguar Cars. Mirroring or downloading of this site or the publication of material or any extracts therefrom in original or altered form from these pages onto other sites (including reproduction by any other Jaguar enthusiast sites) without express permission violates Jag-lovers Ltd copyright and is prohibited
Go to our Homepage
Your Browser is: CCBot/2.0 (https://commoncrawl.org/faq/), IP Address logged as 54.164.198.240 on 11th Dec 2018 06:50:40