break booster question

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03-10-2008, 10:26 PM

ZR1clone

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Join Date: Oct 2007

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Posts: 185

break booster question

Is it true? On a 1990 C4 can a leaking break booster diaphram (vacuum leak) cause loss of power?

03-10-2008, 11:22 PM

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Join Date: Aug 2006

Location: NC

Posts: 1,152

RE: break booster question

A vacuum leakin abrake booster will make you use both feet to stop the car, but I never heard of a loss of HP from that! Maybe others will know. PG.

03-11-2008, 03:38 PM

78buckshot

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Join Date: Jan 2007

Location: Michigan

Posts: 694

RE: break booster question

Any vacuum leak, no matter where in the system, will cause drivability issues. Poor idle/hunting idle, increased fuel use, engine light, poor performance, etc.

03-11-2008, 06:30 PM

ZR1clone

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Join Date: Oct 2007

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Posts: 185

RE: break booster question

Thanks. I guess I will have to add this to the list.

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