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Forum: C4 ZR-1 Technical Postings

02-08-2007

Replies: 18

Rattle Underneath

Views: 5,355

Posted By Twinmags

Rattle Underneath

I'm getting a rattle from underneath my '91 Z, it has 28,000 miles and I'm stumped. The rattle goes away when I press in the clutch. Any thoughts?

Hmm yep everyone has hit the nail on the head but...

Forum: C4 ZR-1 Technical Postings

02-06-2007

Replies: 9

Popping Sound

Views: 1,638

Posted By Twinmags

Re: Popping Sound

Thanks for all the help guys. I believe the plugs are the cause but I am going to check the rest. Its supposed to get up to 60 degrees today, so the girl and I are going to take Z out for a drink...

Forum: C4 ZR-1 Technical Postings

02-05-2007

Replies: 9

Popping Sound

Views: 1,638

Posted By Twinmags

Re: Popping Sound

This might be a stupid question, but what do you by read the plugs?

Forum: C4 ZR-1 Technical Postings

02-05-2007

Replies: 9

Popping Sound

Views: 1,638

Posted By Twinmags

Re: Popping Sound

They are stock injectors and it only has 28,000 miles.

Forum: C4 ZR-1 Technical Postings

02-05-2007

Replies: 9

Popping Sound

Views: 1,638

Posted By Twinmags

Popping Sound

My '91 Z has a popping sound coming out of the exhaust at idle. I don't have a service manual so I was wondering if anyone could help me out? It is a slight sound and only occurs when engine is...

Forum: C4 ZR-1 Technical Postings

06-15-2006

Replies: 6

SES Light

Views: 2,252

Posted By Twinmags

Re: SES Light

I took my Z to my local Chevy dealership that handles and originally sold ZR-1s. Their most experienced mechanic found a vacum leak underneath so bad he said he sprayed carb cleaner under the engine...

Forum: C4 ZR-1 Technical Postings

06-14-2006

Replies: 6

SES Light

Views: 2,252

Posted By Twinmags

Re: SES Light

MAP hose seems to be connected.

Forum: C4 ZR-1 Technical Postings

06-13-2006

Replies: 6

SES Light

Views: 2,252

Posted By Twinmags

SES Light

I had to replace the rubber T on top of the PVC valve with a new one. I did that, started it up, turned over fine, but idled badly and blew some smoke for a few seconds then the SES light came on and...

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