Forum: C4 ZR-1 Parts For Sale / Wanted
17 Hours Ago
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Replies: 6
Views: 173
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Forum: C4 ZR-1 Parts For Sale / Wanted
2 Days Ago
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Replies: 6
Views: 173
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Forum: C4 ZR-1 Parts For Sale / Wanted
5 Days Ago
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Replies: 6
Views: 173
WTB connecting cap AC compressor
I?m looking for a AC compressor spare part. I?m missing the cap or cover to assemble my rebuild ac compressor...searched hours in my garage and home...nothing to find...drives me mad. Maybe one of...
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Forum: C4 ZR-1 Technical Postings
5 Days Ago
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Replies: 13
Views: 368
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Forum: C4 ZR-1 General Postings
01-02-2025
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Replies: 3
Views: 320
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Forum: C4 ZR-1 General Postings
12-05-2024
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Replies: 31
Views: 2,580
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Forum: C4 ZR-1 General Postings
12-05-2024
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Replies: 10
Views: 982
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Forum: C4 ZR-1 General Postings
12-04-2024
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Replies: 10
Views: 982
Re: Dreaded no start
What about worn contacts on the key for the VATS? The integrated key resistance needs contact to the system into the ignition switch. The anit-theft device awaits the fitting signal...if not: no...
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Forum: C4 ZR-1 General Postings
10-28-2024
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Replies: 160
Views: 146,942
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Forum: C4 ZR-1 Technical Postings
10-25-2024
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Replies: 13
Views: 3,027
Re: Front Brakes Locked - Seeking Advice
DOT3 is the correct fluid...not DOT4. DOT4 is chemical much more aggresive so the rubber seals in the master cylinder are swelling and so: system blocked. Release the 2 nuts that are connecting the...
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Forum: C4 ZR-1 Technical Postings
06-27-2024
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Replies: 4
Views: 9,569
Re: Replacing main bearings
You can`t change the main bearings if the engine is installed into the car. Unfortunately the engine has to be disassembled on a stand until the last screw. The crankshaft must taken out to replace...
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Forum: C4 ZR-1 Technical Postings
04-11-2024
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Replies: 5
Views: 8,040
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Forum: C4 ZR-1 Technical Postings
04-11-2024
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Replies: 5
Views: 8,040
Re: Help with FX3 actuators/faults
Hi Charlie, the rear actuator you purchased from me some days ago works fine...I checked this before selling to you. And as I explained to you: the plastic gears in the head of the actuator may crack...
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Forum: C4 ZR-1 Technical Postings
01-19-2024
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Replies: 15
Views: 16,207
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Forum: C4 ZR-1 Technical Postings
01-19-2024
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Replies: 15
Views: 16,207
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Forum: C4 ZR-1 Technical Postings
01-17-2024
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Replies: 4
Views: 9,775
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Forum: C4 ZR-1 General Postings
10-06-2023
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Replies: 44
Views: 18,702
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Forum: C4 ZR-1 Technical Postings
09-19-2023
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Replies: 9
Views: 4,735
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Forum: C4 ZR-1 Technical Postings
08-28-2023
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Replies: 6
Views: 4,157
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Forum: C4 ZR-1 Technical Postings
08-02-2023
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Replies: 5
Views: 7,055
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Forum: C4 ZR-1 General Postings
07-17-2023
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Replies: 5
Views: 1,586
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Forum: C4 ZR-1 Technical Postings
06-20-2023
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Replies: 5
Views: 3,534
Re: Idle transition issues
Measure out Matthias: the TPS signal must be at 0.50 volts at idle with the oem software on the memcal? Haibeck recommends 0.53 V with his chips. Other voltages can cause your problem.
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Forum: C4 ZR-1 Parts For Sale / Wanted
06-16-2023
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Replies: 6
Views: 1,997
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Forum: C4 ZR-1 Parts For Sale / Wanted
06-16-2023
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Replies: 6
Views: 1,997
Re: WtB need a 1990 ecm
Send your defective ecm to Marc Haibeck for repair service?would be the best choice for you. Did ist for a customer in the past and it still runs with any issues.
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Forum: C4 ZR-1 General Postings
04-04-2023
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Replies: 14
Views: 2,804
Re: Wipers FYI
I allways recommend the ANCO 14-series conventional windshield wiper blades (metal frame) for the C4... 19" or 20" long. They are very slim and fit perfect under the hood.
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