Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

Balancer Bolt, oil seal?

Thread Tools
 
Search this Thread
 
Old Dec 23, 2009 | 06:14 PM
  #1  
LouisvilleZ06's Avatar
Thread Starter
Teching In
 
Joined: Dec 2009
Posts: 3
Likes: 0
Default Balancer Bolt, oil seal?

ill keep this short since im sure you guys get main crank bolt problem questions all the time since it seems to be a common issue on these vehicles.

less than 24 hours ago i brought home an 02 Z06, beautifull car, drives amazing...i love this thing

this morning, about 12 hours after purchase... the main crank pulley bolt backed out and caused oil to spray everywhere under the hood.

thanks to this forum and z06vette.com i can see this is a common problem. and it sounds like it can be fixed without pulling the motor

Here are my questions:

1. The GM dealer i droped the car off with was dead set on pulling the motor and telling me thats the only way to get the pulley off.....this is incorrect and going way overboard right?

2. They want to just tighten the bolt back up, it needs a new bolt with loctite from what iv read and probably a new seal......right????

basicaly...im trying to figure out how deep in the hole i just got with my new cars little problem.....

thanks in advance guys...helluva first post i know
Reply
Old Dec 23, 2009 | 06:54 PM
  #2  
Daryn's Avatar
Formerly darynC-10/23/10
iTrader: (19)
 
Joined: Aug 2006
Posts: 2,301
Likes: 0
From: gonzales louisiana
Default

IIRC , all you have to do id unbolt the steering rack and drop it down a tad bit to give enough clearance for the pulley to clear. ... if i were you i would deff do this myself. its a semi easy task and woudnt take more than a lazy evening.


so its spraying oil everywhere eh?. prolly just put a new seal in . put the pulley back on and a new bolt run it down with a big impact and you would be good to go.

but if i was you, id def get it out of the dealer before you get the shaft!!


do you still have the bolt?.... tighten it back down with a impact if you have acess to one and see if your problem is fixed. you may not need to go through this whole ordeal!

Last edited by daryn c; Dec 23, 2009 at 06:59 PM.
Reply
Old Dec 23, 2009 | 08:04 PM
  #3  
99C5Coupe's Avatar
Staging Lane
 
Joined: Jul 2005
Posts: 96
Likes: 0
From: Stanwood, Wa.
Default

1. Don't need to pull the engine to fix this.
2. Don't re-use a torque to yeild bolt or try to tighten it back up once it has backed out.
C5 corvette forum has all kinds of threads on this very problem.
http://forums.corvetteforum.com/c5-t...acked-off.html
The reading you have been doing is the right thing to do to get a feel to see if you want to do this yourself and to know if the dealer is out of line.
Good luck.
Reply
Old Dec 24, 2009 | 12:43 AM
  #4  
vettenuts's Avatar
TECH Senior Member
iTrader: (4)
 
Joined: Jul 2004
Posts: 8,092
Likes: 13
From: Little Rhody
Default

Find a new dealer. They are giving both bad and expensive advice. Shame on them.

You need a new bolt. Not sure on the mileage of your car, but you may want to consider a new balancer and timing cover seal since the balancer is out anyhow. No loctite required on the bolt if installed correctly. Loctite is a band-aid. If the balancer spun, the original interference fit may be compromised which is another reason to install a new unit.

Careful driving it now. When the C6 first came out, this was an issue and the pulley was cutting a hole in the steering rack after which PS fluid would spray out and then the car needed a re-paint. Find someone to fix it if you are not doing it yourself and then flat bed the car to the facility.
Reply




All times are GMT -5. The time now is 12:23 PM.

story-0
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-1
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-2
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-3
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-4
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-5
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-6
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-7
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-8
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-9
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE