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

Radiator leak

Thread Tools
 
Search this Thread
 
Old Dec 26, 2001 | 06:01 PM
  #1  
BobMachus's Avatar
BobMachus
Thread Starter
Melting Slicks
20 Year Member
 
Joined: Jun 2001
Posts: 2,525
Likes: 1
From: Sarasota, FL
Default Radiator leak

I seem to have developed what is apparently an intermittent radiator leak. I sometimes get a small puddle of coolant under the radiator on the passenger side. I was out for a drive the other day and it was about 17*F, I sat idling for about 15 mins and noticed a small stream of steam coming from the front right headlight area. I opened the hood and saw that steam seemed to be coming from the lower radiator hose/radiator junction. I felt the hose and it was dry, I then felt where the trans cooler line enters the radiator and it was wet with coolant. I haven't crawled under the car yet to see exactly where this leak is, but I was wondering if anyone here had experienced a similar problem. If it is a leak, would I be better served to repair the leak, or buy a bigger Griffin or other high quality aftermarket radiator? Thanks
Reply
Old Dec 26, 2001 | 10:22 PM
  #2  
tdock's Avatar
tdock
Racer
20 Year Member
 
Joined: Jan 2001
Posts: 425
Likes: 0
From: Frederick MD
Default Re: Radiator leak (BobMachus)

BobM,

I had similar symptoms over a 3 day span, I had just put on a new radiator cap, and started noticing steam from the front right (passenger side of the car), No puddle underneath right away, but when driving home one evening low coolant light came on. Popped the hood up right away when I got home and noticed a very fine stream of coolant spraying out of the top front right side of the radiator. Right in front of the small hose "T" that takes coolant to the throttle body. After further inspection (removing shroud) there was about a 1.5 inch crack. I think I read another thread saying others had experienced this with the GM radiator. I replaced it with a stock radiator along with the main hoses.
Reply
Old Dec 27, 2001 | 09:45 AM
  #3  
BBA's Avatar
BBA
Safety Car
20 Year Member
 
Joined: Dec 2000
Posts: 3,767
Likes: 5
From: Jacksonville Fl
Default Re: Radiator leak (BobMachus)

If the radiator is cracked, I would not want to depend on a repaired radiator. It might get you by the in the meantime, but a high capacity radiator will make a big difference anyway come summertime.
Reply
Old Dec 27, 2001 | 11:45 AM
  #4  
ConeKLR's Avatar
ConeKLR
Safety Car
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Feb 2000
Posts: 4,230
Likes: 0
From: VA
Cruise-In II Veteran
Default Re: Radiator leak (tdock)

That's where it normally cracks on these vette rad's.
My 1996 did the same for a long time. One day i let the engine get to operating temp. Open hood, stand at front passenger wheel. Rev the engine up high, using your hand turn the throttle. As you do this look at the right front high part of the rad. Saw mine squirting antifreeze like a fire hose. Applying little throttle did not cause the fluid the come at much at all.
:cheers:
Reply
Old Dec 27, 2001 | 01:57 PM
  #5  
MarkBychowski's Avatar
MarkBychowski
Melting Slicks
25 Year Member
Conversation Starter
All Eyes On Me
Photogenic
 
Joined: Dec 1999
Posts: 2,816
Likes: 2
From: Austin, TX
Default Re: Radiator leak (BobMachus)

That's basically where mine leaked also (right next to the lower rad hose flange in the tank). Those plastic tanks are garbage! I opted for a new Griffin rad -- no comparison in quality!
Reply
Old Dec 27, 2001 | 06:16 PM
  #6  
ric'sblack86's Avatar
ric'sblack86
Instructor
 
Joined: Aug 2001
Posts: 104
Likes: 0
From: Las Vegas NV
Default Re: Radiator leak (BobMachus)

I had the same problem, and after removing the radiator, I found that it was the drain ****. It loosened up and allowed small amounts of fluid to escape. A new one from AutoZone cost $2.95 and it works great. BTW, there is a great post in the tech tips section on R&R the radiator. :cheers:
Reply
Old Dec 27, 2001 | 09:47 PM
  #7  
87SAM's Avatar
87SAM
Safety Car
25 Year Member
Liked
Loved
Top Answer: 1
 
Joined: Jan 2001
Posts: 4,387
Likes: 691
From: Boise ID
Default Re: Radiator leak (tdock)

Yep, same here. I paid 80 bucks for a new side tank and install and 2 hours later found out I could get a new radiator for 150. :eek:
Reply

Get notified of new replies

To Radiator leak





All times are GMT -4. The time now is 08:57 AM.

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