Having problems with your 1986 BMW 7 Series ?

Thump Thump Thump coming from rear when Hard Accelerating in 1st

\015 When I hammer on the gas in first gear I hear and feel a thumping (thump thump thump) coming from the back of my car. It only happens if you accelerate fastand only in first gear. Could it be the rear diff? or u joint??Its an Automatic 4 speed trans in an 1986 735iAny help would be appreciated THANKS!!!\015 Posted / edited by AnonymousUser on : 15-04-2019

Answers :

It does sound like one of the universal joints. If you can raise the back end off the ground engage gear and the faulty u/v joint will make the wheel jump. This will let you know which side it is
Repair Help & Product Troubleshooting for 1986 BMW 7 Series

Tips for a great answer:

- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.

Suggested Questions/Answers :

Loading ...

  • Start your question with What, Why, How, When, etc. and end with a "?"
  • Be clear and specific
  • Use proper spelling and grammar
all rights reserved to the respective owners || carrestorationshop.com || Terms of Use || Contact || Privacy Policy
Load time: 0.0056 seconds