Forum: C4 ZR-1 Technical Postings
06-03-2018
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Replies: 5
Views: 991
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Forum: C4 ZR-1 Technical Postings
06-03-2018
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Replies: 5
Views: 991
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Forum: C4 ZR-1 Technical Postings
06-03-2018
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Replies: 5
Views: 991
90 clutch switch problem
Against everyone's advice can someone tell me how to bypass clutch safety switch I am tired of dealing with its problems.
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Forum: C4 ZR-1 Technical Postings
11-01-2015
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Replies: 47
Views: 16,502
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Forum: C4 ZR-1 Technical Postings
11-01-2015
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Replies: 47
Views: 16,502
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Forum: C4 ZR-1 Technical Postings
11-01-2015
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Replies: 47
Views: 16,502
Re: Bypassing the clutch switch
No have not touched clutch switch or added relay. It is bone stock. I am to old to be removing battery boxes and adding another relay. Could it be the clutch switch or original relay?
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Forum: C4 ZR-1 Technical Postings
11-01-2015
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Replies: 47
Views: 16,502
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Forum: C4 ZR-1 Technical Postings
11-01-2015
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Replies: 47
Views: 16,502
Re: Bypassing the clutch switch
Looking for a start cure. I have a 90 ZR1 and for years it starts fine but after I stop and leave it for an hour or so and come back I push in the clutch, turn the key, all proper lights come on but...
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Forum: Corvette Audio/Electronics
04-05-2007
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Replies: 10
Views: 5,888
Re: radio on no sound
Just remembered there is a lock out code as an anti theft device make sure this is not your problem.
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Forum: Corvette Audio/Electronics
04-05-2007
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Replies: 10
Views: 5,888
Re: radio on no sound
Go to <carstereohelp.cpm>. They have instructions for doing everything to check out your system, remove CDM, etc. Their phone # is 800.428.1909. I took out all 4 speakers (the easy part) and the CDM(...
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Forum: C4 ZR-1 Technical Postings
12-23-2006
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Replies: 2
Views: 1,695
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Forum: C4 ZR-1 Technical Postings
12-22-2006
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Replies: 2
Views: 1,695
Y.A.I.R. pump duct
There is a filter looking grey material on the duct in the Y.A.I.R. pump system of my 90 that deteriorated to messy granules. Anyone know what I can use to replace it or is there a filter that can be...
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Forum: C4 ZR-1 Technical Postings
12-19-2006
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Replies: 1
Views: 1,718
air bag DERM
Anybody know where I can find a DERM for my 90 air bag system. I beleive it is GM part number 10094618?
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Forum: C4 ZR-1 Technical Postings
11-30-2006
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Replies: 8
Views: 2,721
Re: ZR1 Brake Problem
Thanks everyone for all your advice. After changing rear calipers (thought initially) the rears were locking up but turned out to be all locking up and getting new brake lines turned out was master...
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Forum: C4 ZR-1 Technical Postings
11-27-2006
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Replies: 9
Views: 3,088
Re: master cylinder for 90 ZR1
Actually GM and AC Delco have 2 different part numbers and know one knows why. They are both good numbers and the number I used cost about $80 more. I found a NOS PBR on ebay for $99 so I jumped on...
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Forum: C4 ZR-1 Technical Postings
11-26-2006
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Replies: 9
Views: 3,088
master cylinder for 90 ZR1
Is the AC Delco #174-820 (Chev. #10157996) master cylinder replacement for a 90 ZR1 a PBR? Has anyone rebuilt a PBR with the AC 175-619 rebuild kit and did it work out OK? If I choose to rebuild do I...
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Forum: C4 ZR-1 Technical Postings
11-26-2006
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Replies: 4
Views: 1,986
Re: parts lookup
Paid my nickel but never looked at it close. Thanks for the info it was very helpful.
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Forum: C4 ZR-1 Technical Postings
11-24-2006
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Replies: 8
Views: 2,721
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Forum: C4 ZR-1 Technical Postings
11-23-2006
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Replies: 4
Views: 1,986
parts lookup
Does anyone have the internet site where you can get chev. part numbers by year model,etc. or vin number. I lost the one I had.
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Forum: C4 ZR-1 Technical Postings
11-23-2006
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Replies: 8
Views: 2,721
Re: ZR1 Brake Problem
The car belonged to a friend and I told him to not let it sit. So far replaced all injectors with RC, thermostat and fluids and still can't go anywhere. Think I will look at the master cylinder next....
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Forum: C4 ZR-1 Technical Postings
11-22-2006
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Replies: 8
Views: 2,721
Re: ZR1 Brake Problem
Yes the pedal does stay down. The vacuum hose is clear but don't know anything about the internals of the booster. Problem corrects itself after everything sits for awhile. Where would you look to...
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Forum: C4 ZR-1 Technical Postings
11-22-2006
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Replies: 8
Views: 2,721
ZR1 Brake Problem
After acquiring a 90 ZR1 that sat for 7 years I put in new brake fluid by bleeding at each caliper. After driving for 10 or 15 minutes the brakes locked up and the brake pedal is very hard. I thought...
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Forum: C4 ZR-1 General Postings
11-13-2006
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Replies: 148
Views: 66,967
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Forum: C4 ZR-1 General Postings
11-12-2006
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Replies: 148
Views: 66,967
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Forum: C4 ZR-1 General Postings
11-08-2006
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Replies: 148
Views: 66,967
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