No compression

Tiny
JAYBLUE22
  • MEMBER
  • 2002 HONDA CIVIC
  • 1.7L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 124,000 MILES
I have no compression in cylinders one and four.
Monday, March 11th, 2019 AT 11:40 PM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

You will need to air up the cylinders and find out where the compression loss is located. Here is a guide to help you:

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

It could be valves or piston failure. The cylinder head will then have to be removed to inspect the damage.

Roy
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Tuesday, March 12th, 2019 AT 3:43 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,185 POSTS
Hello,

Here are diagrams and instructions on how to remove the cylinder head start by draining the coolant and disconnecting the battery. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Tuesday, March 12th, 2019 AT 12:14 PM

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