C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Rattiling noise

Old Mar 25, 2009 | 10:45 AM
  #1  
italia29's Avatar
italia29
Thread Starter
Heel & Toe
 
Joined: Mar 2008
Posts: 21
Likes: 0
Default Rattiling noise

Hey, Over the last few months my 88 4+3 tranny vette has begun to rattle same times even at idle in a stopped position. I put it on my hoist last night but i couldnt find any loose parts. i can hear and feel it when i sit in the car and it comes and goes. Has anyone ever experienced this befor and if so what was the fix.

thanks
Reply
Old Mar 27, 2009 | 11:04 AM
  #2  
89 Bob L's Avatar
89 Bob L
Burning Brakes
10 Year Member
 
Joined: Dec 2000
Posts: 1,161
Likes: 0
From: Orangeburg, NY
Default

Check your heat shields on the exhausts: exhaust manifolds, exhaust pipes, and cat. Many times the heat shields corrode near the welds and cause the problem.
Reply
Old Mar 27, 2009 | 12:25 PM
  #3  
pologreen1's Avatar
pologreen1
Team Owner
15 Year Member
 
Joined: Dec 2007
Posts: 20,974
Likes: 261
Default

my stock exhaust was horrible. When I test drove the car I thought it was in the drive train, he assured me his mechanic told him it was the exhaust. I regretted buying it the first time I took it for a ride, and thought about it, then I realized it was only at certain rpms, I put on straights, and there are no problems at all.
Reply
Old Mar 27, 2009 | 12:39 PM
  #4  
pletzvet's Avatar
pletzvet
Pro
10 Year Member
 
Joined: Nov 2005
Posts: 602
Likes: 0
From: North Bay Ontario
Default

check your catalytic converters - sometimes they break up inside and the pieces rattle making it sound like it is coming from the drive train. It happened in my '85.
Reply
Old Mar 27, 2009 | 01:54 PM
  #5  
WW7's Avatar
WW7
Le Mans Master
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Aug 2007
Posts: 8,735
Likes: 413
From: WV
Default

Your lucky, My car even makes rattling sounds when the motor is turned off..:WW

Last edited by WW7; Mar 27, 2009 at 02:09 PM.
Reply
Old Mar 27, 2009 | 06:20 PM
  #6  
dclafleur's Avatar
dclafleur
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Sep 2005
Posts: 6,551
Likes: 36
From: Jenks OK
Default

+1 for heat shields on exhaust, mine sounds like a penny in a beer can over bumps. One of these days when I'm feeling ambitious I'll take care of it....
Reply

Get notified of new replies

To Rattiling noise



Thread Tools
Search this Thread

All times are GMT -4. The time now is 04:30 PM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE