Alternator replacement?
Thread Starter
Drifting
Joined: Apr 2014
Posts: 1,396
Likes: 129
From: Plainfield IN
Alternator replacement?
A TSB went out for a issue that involved a noise/vibration with the car warmed up stopped in drive - cars 1997-2000 are involved. To correct this issue the alternator and the belt tensioner needs replacing. These 2 items were installed in 2001 Corvettes - this issue occurs in automatics only. I’m not sure what is different about the belt tensioner but the alternator has a harmonic balancer on the pulley. Part numbers are: 10316182 for the alternator- 12568181 for the belt tensioner.
Now I’m curious how many of you have experienced this problem and I’m also curious as how an alternator can cause this issue to the extend
to cause such a vibration like this. Please let me know if this occurred with your car and if you made the corrections - did it work also.
Thanks
Now I’m curious how many of you have experienced this problem and I’m also curious as how an alternator can cause this issue to the extend
to cause such a vibration like this. Please let me know if this occurred with your car and if you made the corrections - did it work also.
Thanks
Team Owner
Joined: Oct 1999
Posts: 31,977
Likes: 487
From: Guinness Its whats for B'fast JAWGA
CI 3-4-5-9 Veteran
I've owned a '00 and now '01 not a problem. College roommate has a 150k on his '00 which over 100k where put on by him. All 3 manual cars no problem.
Corvette can be finicky on alternators. I would not turn yours in as a core, and I have had a local shop rebuild alternators on my '01 and '93. They were both successful. You may want to google search the forum as a member had a great topic on rebuild your own alternator. If you can't find it, post up and I might be able to find it.
Corvette can be finicky on alternators. I would not turn yours in as a core, and I have had a local shop rebuild alternators on my '01 and '93. They were both successful. You may want to google search the forum as a member had a great topic on rebuild your own alternator. If you can't find it, post up and I might be able to find it.
Thread Starter
Drifting
Joined: Apr 2014
Posts: 1,396
Likes: 129
From: Plainfield IN
I've owned a '00 and now '01 not a problem. College roommate has a 150k on his '00 which over 100k where put on by him. All 3 manual cars no problem.
Corvette can be finicky on alternators. I would not turn yours in as a core, and I have had a local shop rebuild alternators on my '01 and '93. They were both successful. You may want to google search the forum as a member had a great topic on rebuild your own alternator. If you can't find it, post up and I might be able to find it.
Corvette can be finicky on alternators. I would not turn yours in as a core, and I have had a local shop rebuild alternators on my '01 and '93. They were both successful. You may want to google search the forum as a member had a great topic on rebuild your own alternator. If you can't find it, post up and I might be able to find it.
Drifting
Joined: May 2008
Posts: 1,695
Likes: 490
From: Denver, NC
A TSB went out for a issue that involved a noise/vibration with the car warmed up stopped in drive - cars 1997-2000 are involved. To correct this issue the alternator and the belt tensioner needs replacing. These 2 items were installed in 2001 Corvettes - this issue occurs in automatics only. I’m not sure what is different about the belt tensioner but the alternator has a harmonic balancer on the pulley. Part numbers are: 10316182 for the alternator- 12568181 for the belt tensioner.
Now I’m curious how many of you have experienced this problem and I’m also curious as how an alternator can cause this issue to the extend
to cause such a vibration like this. Please let me know if this occurred with your car and if you made the corrections - did it work also.
Thanks
Now I’m curious how many of you have experienced this problem and I’m also curious as how an alternator can cause this issue to the extend
to cause such a vibration like this. Please let me know if this occurred with your car and if you made the corrections - did it work also.
Thanks
The concern with getting an aftermarket alternator is because the voltage regulator has a special circuit that if missing throws charging system fault messages. If you do get an aftermarket alternator, the key is having the correct regulator.
Melting Slicks
Joined: Sep 2007
Posts: 2,138
Likes: 139
From: Port St Lucie Florida
I have an autozone alternator 110 amp and works great, I have more than 14.0 volts all the time at the battery, I do get the charge system fault message, but I just delete it. I still have my original core though. I never had 14.0 volts at the battery with the original Valero.
Last edited by corvet786c; Jul 16, 2020 at 10:52 PM.
Thread Starter
Drifting
Joined: Apr 2014
Posts: 1,396
Likes: 129
From: Plainfield IN
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Pro
Joined: Dec 2017
Posts: 572
Likes: 28
From: Volo, Illinois
My 97 C5 in drive i'm getting grumbling vibrations only at idle stopped in drive. Sounds like coming from at driver seat or just behind driver seat area. Mine is Automatic and has 89k miles. I wonder on mine alternator pulley causing this issue. Where can i just buy the alternator pulley? I replaced the serpentine belt tensioner pulley only last year.
Thread Starter
Drifting
Joined: Apr 2014
Posts: 1,396
Likes: 129
From: Plainfield IN
My 97 C5 in drive i'm getting grumbling vibrations only at idle stopped in drive. Sounds like coming from at driver seat or just behind driver seat area. Mine is Automatic and has 89k miles. I wonder on mine alternator pulley causing this issue. Where can i just buy the alternator pulley? I replaced the serpentine belt tensioner pulley only last year.
Heel & Toe
Joined: Sep 2019
Posts: 19
Likes: 20
From: TN
run your car until it’s warm enough to exhibit the issue, then take the serpentine belt off and see if it still does it. If it does - it’s something on your serpentine and there’s a TSB indicating a known problem with auto cars 97-00 and alternator + main tensioner.
Thread Starter
Drifting
Joined: Apr 2014
Posts: 1,396
Likes: 129
From: Plainfield IN
My 97 C5 in drive i'm getting grumbling vibrations only at idle stopped in drive. Sounds like coming from at driver seat or just behind driver seat area. Mine is Automatic and has 89k miles. I wonder on mine alternator pulley causing this issue. Where can i just buy the alternator pulley? I replaced the serpentine belt tensioner pulley only last year.