Engine Compression Test
Removal Procedure
- Remove the throttle body. Refer to
Throttle Body Assembly Replacement : 1.6L LDE, LXV, 1.8L 2H0, and LUW .
- Remove the spark plugs. Refer to Spark Plug Replacement .
- Remove the relay holder cover.
- Remove the fuel pump relay.
Measurement Procedure
Check Compression for all cylinders:
Note: Engine revs at least 300/min.
- Start the engine (approx. 4 seconds).
- Compare the compression values.
Maximum pressure differential 100 kPa (14.5 psi)
Installation Procedure
- Install the fuel pump relay.
• | Ensure the plug contacts are sound. |
- Install the relay carrier cover.
- Install the spark plugs. Refer to Spark Plug Replacement .
- Install the throttle body. Refer to
Throttle Body Assembly Replacement : 1.6L LDE, LXV, 1.8L 2H0, and LUW .
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© Copyright Chevrolet. All rights reserved |