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Old 05-27-2024   #11
Z51JEFF
 
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Join Date: Dec 2007
Location: Fremont,Ca
Posts: 3,077
Default Re: Any reliable corvette shops in the CA bay area?

There is absolutely no reason the send that can halfway across the Country to have some minor issues takin care of. First off,find out what the issue is and address it it,a vacuum leak at the linkage shaft,if I read that correctly? How did the mechanic come to that conclusion,the car couldn't have been running,did this mechanic know how to activate the secondary system with the plenum off? I'll bitch and moan everytime I've got to work on one of my cars but in reality I'm fortunate that I can do my own work. When the injectors died having someone work on the car was never an option,did the job myself. IMG_2236.jpeg

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Old 05-29-2024   #12
AyeRon
 
Join Date: Mar 2024
Location: San Francisco
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Default Re: Any reliable corvette shops in the CA bay area?

Hi, Jeff.

1990 Polo Green/Saddle

A vaccum smoke test was done to trace exactly where the leak was coming from.

I appreciate the your thoughts and I do agree, its not totally necessary. I just figured that having someone who works on these cars regularly could also sort out a few other items specific to these c4s seeing as they are a specialist. The Engine, FX3, and Bose system for starters. Im no stranger to getting my hands dirty, but between work/school/life, I do not have the time (or space) to take on another major project myself.

As far as sending it across country. Its really no biggie... I figured the wife and I could fly out to pick it up and enjoy a road trip back home once its gone through.

(BTW, That engine of yours looks great. It is outrageously clean compared to mine haha)

Last edited by AyeRon; 05-29-2024 at 03:11 PM.
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Old 05-30-2024   #13
Z51JEFF
 
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Location: Fremont,Ca
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Default Re: Any reliable corvette shops in the CA bay area?

Quote:
Originally Posted by AyeRon View Post
Hi, Jeff.

1990 Polo Green/Saddle

A vaccum smoke test was done to trace exactly where the leak was coming from.

I appreciate the your thoughts and I do agree, its not totally necessary. I just figured that having someone who works on these cars regularly could also sort out a few other items specific to these c4s seeing as they are a specialist. The Engine, FX3, and Bose system for starters. Im no stranger to getting my hands dirty, but between work/school/life, I do not have the time (or space) to take on another major project myself.

As far as sending it across country. Its really no biggie... I figured the wife and I could fly out to pick it up and enjoy a road trip back home once its gone through.

(BTW, That engine of yours looks great. It is outrageously clean compared to mine haha)
Can't go wrong with Marc H looking at the car. But this smoke test means absolutely nothing when it comes to these cars as far as what your mechanic has described. What exactly is the car doing,vacuum pump constantly cycling? If that's the case it could be a loose,worn rubber fitting at the vacuum pump,cracked line going to the check valve,vacuum tank. There's a few things that would cause the pump to cycle constantly but a leak at the secondary cross shaft doesn't make sense. The amps and or the CDM controller need to come out of the car and rebuilt. The FX3 could be a bad actuator at one of the shocks or a broken gear on the shock. Have the injectors been replaced in the car?
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