cranks but no start after replacing bent valve

2003 BMW 745
182,000 MILES • 4.4L • V8 • RWD • AUTOMATIC
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JAYNUM
  • MEMBER
  • 1 POST
Replaced bent exhaust valve reassembled everything now car will not start only cranks. what could I have over looked or need to do? No stored codes only one pending po365 and po367 came up once then went back to po365 pending. Transmission fail-safe drive moderately showed up on dash .
Jun 21, 2017 at 9:21 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,176 POSTS
Hello,

We must start by checking the compression is see if the valve timing is close.

Here are a guide to get you started.

https://www.2carpros.com/articles/how-to-test-engine-compression

Please let us know what happens.

Cheers, Ken
Feb 12, 2021 at 10:17 AM
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