Harmonic Balancer Replacment...Whatelse?
Thread Starter
Racer
Joined: May 2003
Posts: 439
Likes: 1
From: Palm Desert CA
Harmonic Balancer Replacment...Whatelse?
Ok, time to replace HB. What other components should I consider replacing while I am in there, not withstanding re-camming?
1. Timing Chain (LS2)
2. Oil pump (to Hiflow)
3. Crank Pinning
4. ?????
Thanks
Danny
1. Timing Chain (LS2)
2. Oil pump (to Hiflow)
3. Crank Pinning
4. ?????
Thanks
Danny
Le Mans Master
Joined: Mar 2004
Posts: 8,700
Likes: 298
From: Ft. Lauderdale Fl
A/C compressor go in the same week.
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
If it were me, cover seal, ARP Damper bolt, new oil pump (melling high volume pump) and LS2 Chain.
They also sell a new aftermarket steering rack bushing that firms up the rack mount.
If you dont use an ARP Bolt, get a NEW OEM BOLT and the correct tightening and torque procedure and follow it to a T!!!!
Make sure that you put the cover gasket on the correct way.. there is a right and wrong way!
Bill
They also sell a new aftermarket steering rack bushing that firms up the rack mount.
If you dont use an ARP Bolt, get a NEW OEM BOLT and the correct tightening and torque procedure and follow it to a T!!!!
Make sure that you put the cover gasket on the correct way.. there is a right and wrong way!
Bill
Thread Starter
Racer
Joined: May 2003
Posts: 439
Likes: 1
From: Palm Desert CA
Great info, fellows. So far:
* Front Cover seal
* Melling Hi Vol Oil pump
* ARP Damper Bolt
* Crank Pin (may go FI in future)
* LS2 Chain
* After market Damper
* ??? anythingelse???
Bill: Do you have more infor on the steering rack bushing?
Danny
* Front Cover seal
* Melling Hi Vol Oil pump
* ARP Damper Bolt
* Crank Pin (may go FI in future)
* LS2 Chain
* After market Damper
* ??? anythingelse???
Bill: Do you have more infor on the steering rack bushing?
Danny
Instructor
Joined: Nov 2005
Posts: 131
Likes: 1
From: Houston Texas
My balancer has been wobbling for a while now. Yeterday I changed the oil and noticed oil on the pan leading up to the harmonic balancer. I have concluded that the seal in leaking. I intend to replace the balancer but want to inquire if it makes any difference where I get the balancer - GM - Autozone or others. Any suggestions?
Team Owner
Joined: Sep 2001
Posts: 23,283
Likes: 906
From: Lake Elsinore, CA
I recently did a timing cover and waterpump replacement due to leaks in both and I changed everything I could get my hands on while I was in there including belts, hoses, tensioners, timing cover and gasket, timing chain, front seal, crank pulley, crank bolt (w/ ARP bolt) and thermostat.
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Burning Brakes
Joined: Dec 2012
Posts: 832
Likes: 14
From: Lake Charles Louisiana
I recently did a timing cover and waterpump replacement due to leaks in both and I changed everything I could get my hands on while I was in there including belts, hoses, tensioners, timing cover and gasket, timing chain, front seal, crank pulley, crank bolt (w/ ARP bolt) and thermostat.
Just made no sense to me to be that far into it and not change everything.
Instructor
Joined: Nov 2005
Posts: 131
Likes: 1
From: Houston Texas
An internet search has Harmonic Balancers ranging from $100 to $450! This car is a daily driver with 160k+ miles on it. I intend to keep it for a while longer.
I want a pully that will keep me from having to replace it in the next year or two. So, is the Autozone part sufficient?
I want a pully that will keep me from having to replace it in the next year or two. So, is the Autozone part sufficient?
Race Director
Joined: Sep 2005
Posts: 11,060
Likes: 291
From: Pasco WA
I'd think the Autozone one would be a generic OEM replacement, of uncertain origin/quality. I would go with a Powerbond. They're made in Australia, and are much better than OEM for a reasonable amount of Corvette tax.
Thread Starter
Racer
Joined: May 2003
Posts: 439
Likes: 1
From: Palm Desert CA
Great advise as always. I have an appointment with my local corvette shop to have the pulley replaced with a Powerbond, along with the front seal and the steering rack bushing. They quote $700 labor and parts.
Thanks again for the advise. Always appreciated.
Danny
Thanks again for the advise. Always appreciated.
Danny
Thread Starter
Racer
Joined: May 2003
Posts: 439
Likes: 1
From: Palm Desert CA
I noticed a sqeaking and an upon investigating the noise I noticed the pulley was visibly wobbling, maybe 3 or 4 mm. I have ~146K on the motor, so, no real surprise.
You can do a couple things to confirm pulley failure:
1. Place a mark on the pulley, outside edge toward center, across both pieces of the pulley. Then go drive the car hard. Then check to see if the mark is still a single unbroken line. If the pulley is slipping the line is no longer be a single line.
2. Visually inspect the rubber part of the pulley looking for surface cracks/deterioration.
You will not be able to feel any slop in the pulley, a failed pulley will be as solid to the hand as a non-failed pulley.
Hope this information if helpful.
Regards,
Danny
You can do a couple things to confirm pulley failure:
1. Place a mark on the pulley, outside edge toward center, across both pieces of the pulley. Then go drive the car hard. Then check to see if the mark is still a single unbroken line. If the pulley is slipping the line is no longer be a single line.
2. Visually inspect the rubber part of the pulley looking for surface cracks/deterioration.
You will not be able to feel any slop in the pulley, a failed pulley will be as solid to the hand as a non-failed pulley.
Hope this information if helpful.
Regards,
Danny
Last edited by KF9BD; Apr 26, 2013 at 04:16 PM.
Thread Starter
Racer
Joined: May 2003
Posts: 439
Likes: 1
From: Palm Desert CA