GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check for leaks at the pipe joints.

Are there any leaks?

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Go to Step 2

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2

Tighten the fasteners at the leaking joint(s) to specification. Refer to Fastener Tightening Specifications .

Are there still leaks?

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System OK