Forum: C4 ZR-1 Technical Postings
22 Hours Ago
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Replies: 2
Views: 78
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Forum: C4 ZR-1 Technical Postings
1 Day Ago
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Replies: 29
Views: 4,733
Re: 1990 No Crank
Update on my problem. A new starter put in by the dealer who sold me the car DID NOT fix the issue. Despite the clutch switch working, and not showing a resistance issue on the voltmeter, I decided...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 16
Views: 1,118
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 16
Views: 1,118
Re: Engine noise- stuck lifter?
Update on this. I checked the resistance of the coil in the affected cylinder. It was 21.3k ohms cold and 22k ohms hot. I did notice that I can hear a noise under the car as well, and can feel an...
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 16
Views: 1,118
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 16
Views: 1,118
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 16
Views: 1,118
Re: Engine noise- stuck lifter?
Update on this. I pulled the left side spark plugs and put a borescope down the cylinders. The plug from the rear cylinder seemed to be a little wet and dark. Picture is attached. Hopefully something...
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 15
Views: 1,162
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 15
Views: 1,162
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 16
Views: 1,118
Engine noise- stuck lifter?
While warming my car up on an easy drive to troubleshoot a hot start issue it abruptly started making a loud ticking noise. This happened off throttle going down a hill at 30mph in 3rd gear. The car...
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 15
Views: 1,162
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 15
Views: 1,162
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 15
Views: 1,162
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 15
Views: 1,162
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 15
Views: 1,162
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 15
Views: 1,162
Electrical question: is this supposed to be here
I am still chasing down a hot no crank issue with my 1991. The new starter didn?t fix the issue. I decided to see if there was a grounding problem. I pulled the battery and found the thick negative...
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 29
Views: 4,453
Re: Stranded on a road trip, '90 ZR-1, no crank
Shop that sold me the car replaced the starter and it still has the no crank issue when it?s hot. I also noticed the voltage gauge dropping when the turn signal is on. Could it be a bad ground...
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Forum: Northeast Region
04-12-2024
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Replies: 1
Views: 652
ZR-1 Mechanic near Albany
Looking for someone to experienced with LT5?s. I have a hot start issue and a power steering pump leak, and some other small things and was wondering if there?s anyone from the area who specializes...
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Forum: C4 ZR-1 Technical Postings
04-04-2024
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Replies: 29
Views: 4,733
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Forum: C4 ZR-1 Technical Postings
03-31-2024
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Replies: 29
Views: 4,453
Re: Stranded on a road trip, '90 ZR-1, no crank
I am also experiencing an intermittent no-crank when hot issue. I want to rule out the clutch safety switch. When I have the issue and I push the clutch in and turn the key to start I get a voltage...
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Forum: C4 ZR-1 Technical Postings
03-28-2024
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Replies: 9
Views: 1,295
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Forum: C4 ZR-1 Technical Postings
03-28-2024
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Replies: 0
Views: 534
Buzzing sound at low RPM?s
I am trying to pinpoint the source of this buzzing sound. It seems to be related to engine rpm (and not vehicle speed). It is noticeable at 2-3k rpms and goes away when I push the clutch in and the...
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Forum: C4 ZR-1 Technical Postings
03-22-2024
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Replies: 2
Views: 477
Re: Oil Gauge Issue
Mine seems to do the same. It stays close to 80, and only moves a little. Please let me know if you try a new sensor, and if that fixes the problem.
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Forum: C4 ZR-1 Technical Postings
03-21-2024
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Replies: 5
Views: 682
Re: Best weatherstripping
It just has to be a quality stock-looking replacement. It doesn?t have to be OEM. Has anyone tried these ones? I was also considering their shifter boot while I was at it.
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Forum: C4 ZR-1 Technical Postings
03-21-2024
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Replies: 5
Views: 682
Re: Best weatherstripping
Exactly the help I was looking for. Thanks Marty!
My next question is going to be about shift knobs. The leather is very worn on mine. Do I need a whole new knob? Can just the leather be replaced?
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