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1990 Dodge Shadow no compression in valves1&2 3&4

Tiny
JFEHR
  • MEMBER
  • 1990 DODGE SHADOW
  • 4 CYL
  • FWD
  • MANUAL
  • 200,000 MILES
Mechanic told us that because there is little to no compression in all valves that we need a new engine.
How do valves affect head gasket?
If we replace valves - what other parts are affected?
Monday, July 28th, 2008 AT 4:20 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Hi:

If there is no compression in all of the cylenders, something serious is wrong. The valves could cause low compression, however, I find it hard to believe they all went bad at once. Regardless, if the engine has no compression, it needs an overhaul or replaced.

As far as you question regarding the valves and the head gasket, they really don't have a direct affect on each other. However, either of them could cause low compression if it is bad.

If you have any other questions, let me know. (I hope this helps you.)

Joe
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Saturday, October 18th, 2008 AT 11:46 PM

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