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

Odd brake issue...

Thread Tools
 
Search this Thread
 
Old Aug 29, 2023 | 02:37 PM
  #1  
GREGGY446's Avatar
GREGGY446
Thread Starter
Advanced
All Eyes On Me
 
Joined: Mar 2023
Posts: 66
Likes: 0
From: Mansfield Ohio
Default Odd brake issue...

I havnt had this 87 vert for very long so Im not sure of its history...but.. Ive replaced front pads, rotors, calipers and brake hoses. Gave her a good bleed and went out for a cruise. It pulls to the right--until you apply the brake. Which straightens it right up. Let go of the brake pedal, she pulls a little right again. Step on the brake she goes straight. So the right front caliper is not releasing all the way and the left side is simply evening the pressure. Put it back in the air to rebleed and confirm my thinking that right caliper is bad. Last night, I replaced said caliper. Gave her a good bleed....and...wouldnt you know it...she still has the same problem! I think the rear calipers need replaced as well. They dont seem to be squeezing as hard as they should. IMHO. Thats in next months part budget lol, Which makes me wonder....(and if anyones had this problem and reslolved it please lemme know!)....what are the chance I got 2 bum calipers? not unheard of, but still... And---could the back calipers needing replaced be a part of this problem? I thank you in advance for any thoughts
-Greg
Reply
Old Aug 29, 2023 | 05:04 PM
  #2  
7thvet's Avatar
7thvet
Melting Slicks
Conversation Starter
All Eyes On Me
Photogenic
Photoriffic
 
Joined: May 2005
Posts: 3,134
Likes: 11
From: At the St. Louis Playboy club.
Default

I've rebuilt my calipers there's a trick to getting the seals in but overall a couple hours each & very little money.
I have one of those temperature guns, I'd go for a drive & take each rotor & caliper temps. If one is dragging the temperature will show it. Take the temps out of the wind or you get false readings.
Reply
Old Aug 29, 2023 | 05:08 PM
  #3  
7thvet's Avatar
7thvet
Melting Slicks
Conversation Starter
All Eyes On Me
Photogenic
Photoriffic
 
Joined: May 2005
Posts: 3,134
Likes: 11
From: At the St. Louis Playboy club.
Default

Also alignment? Loose tie rod ends, wheel bearings.
Reply
Old Aug 30, 2023 | 07:47 AM
  #4  
GREGGY446's Avatar
GREGGY446
Thread Starter
Advanced
All Eyes On Me
 
Joined: Mar 2023
Posts: 66
Likes: 0
From: Mansfield Ohio
Default

I dont have a temp gun thing, but last night i went for a short cruise and upon return i felt the rotors...right front extremely hot. left front pretty damn hot and both rears were warm to the touch. So im thinking Ill replace all the rear brake parts (which is the plan in the next couple weeks) and see where that puts me. Then reevaluate.
Reply
Old Aug 30, 2023 | 08:02 AM
  #5  
Vets-Vet's Avatar
Vets-Vet
Drifting
Veteran: Navy
Photogenic
Photoriffic
Shutterbug
 
Joined: Jul 2022
Posts: 1,805
Likes: 365
From: Central Florida
Default

How about setting it on jack stands (or just a jack) and see if the tire rolls freely or there is slop in the front end as @7thvet said? Brake stuff is fairly cheap if you rebuild the calipers, replace hoses etc. Your dealing with 36 year old brake parts.
What about wheel bearings ???? another reason to set it just off the ground a little to check the front end. Also, cars turn right because of rear wheel problems as well.

Last edited by Vets-Vet; Aug 30, 2023 at 08:07 AM.
Reply
Old Aug 30, 2023 | 08:09 AM
  #6  
GREGGY446's Avatar
GREGGY446
Thread Starter
Advanced
All Eyes On Me
 
Joined: Mar 2023
Posts: 66
Likes: 0
From: Mansfield Ohio
Default

I had it on stands not too long ago. The right front wheel doesnt spin as freely as the left. Which led me to replace that right caliper again-to no avail. Suspension and steering parts are all tight. As i type this it occurs to me that its could be a wheel bearing, Although it isnt making the slightest bit of noise. Could still be bad of course. Ill scope that out this weekend.
Reply
Old Aug 30, 2023 | 08:42 AM
  #7  
Vets-Vet's Avatar
Vets-Vet
Drifting
Veteran: Navy
Photogenic
Photoriffic
Shutterbug
 
Joined: Jul 2022
Posts: 1,805
Likes: 365
From: Central Florida
Default

Unbolt / remove the caliper from the knuckle and see if that makes a difference.

Last edited by Vets-Vet; Aug 30, 2023 at 01:02 PM.
Reply
Old Aug 30, 2023 | 09:47 AM
  #8  
Tom400CFI's Avatar
Tom400CFI
Team Owner
Pro Mechanic
20 Year Member
 
Joined: Aug 2004
Posts: 21,543
Likes: 3,216
From: Park City Utah
Default

and in doing that, it should be obvious when you remove the caliper, if it's clamping on the rotor, or not.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-1

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-2

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-3

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-4

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-5

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-6

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-7

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-8

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-9

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
Old Sep 5, 2023 | 11:22 AM
  #9  
GREGGY446's Avatar
GREGGY446
Thread Starter
Advanced
All Eyes On Me
 
Joined: Mar 2023
Posts: 66
Likes: 0
From: Mansfield Ohio
Default

Spent some time on the brakes this weekend. Decided to replace what i thought was a defective caliper for the third time. While it was apart I confirmed that the wheel spins freely with the caliper off. Installed new caliper and with much disappointment (and a little anger) it still has the same problem. Also replaced the left RR caliper and hose. Still waiting on the right side rear. Ill revisit the situation after I get them all finished. I think I may try to get another right front from another vender just in the off chance I got 3 bad ones. But im leaning to something else. Thanks for the input guys.
Reply
Old Sep 5, 2023 | 11:40 AM
  #10  
Vets-Vet's Avatar
Vets-Vet
Drifting
Veteran: Navy
Photogenic
Photoriffic
Shutterbug
 
Joined: Jul 2022
Posts: 1,805
Likes: 365
From: Central Florida
Default

Was there residual pressure in the line when you loosened it ??
Reply
Old Sep 5, 2023 | 12:57 PM
  #11  
Tom400CFI's Avatar
Tom400CFI
Team Owner
Pro Mechanic
20 Year Member
 
Joined: Aug 2004
Posts: 21,543
Likes: 3,216
From: Park City Utah
Default

....and/or, was the caliper "clamped" onto the rotor as you tried to remove it? Or were the pads "loose" on the rotor?
Reply
Old Sep 5, 2023 | 01:02 PM
  #12  
GREGGY446's Avatar
GREGGY446
Thread Starter
Advanced
All Eyes On Me
 
Joined: Mar 2023
Posts: 66
Likes: 0
From: Mansfield Ohio
Default

I broke the line free of the caliper before trying any test. It seemed to "let go" once it was open. But something I noticed over the weekend..the anti lock light is on the dash. I think its been on since i started in on the brakes. Not sure if that will help in a diagnosis but figured I better mention it
Reply
Old Sep 8, 2023 | 08:02 AM
  #13  
Vets-Vet's Avatar
Vets-Vet
Drifting
Veteran: Navy
Photogenic
Photoriffic
Shutterbug
 
Joined: Jul 2022
Posts: 1,805
Likes: 365
From: Central Florida
Default

You may be able to make a test by temporarily removing the abs fuse, I am not sure of your car so you may or may not have brake lights, just for an around the block test, also check to make sure your hoses at the caliper are not twisted.

Last edited by Vets-Vet; Sep 8, 2023 at 08:21 AM.
Reply

Get notified of new replies

To Odd brake issue...





All times are GMT -4. The time now is 06:58 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