C3 General General C3 Corvette Discussion not covered in Tech
Sponsored by:
Sponsored by:

81 temp

Thread Tools
 
Search this Thread
 
Old Apr 16, 2014 | 02:27 AM
  #1  
kbrin's Avatar
kbrin
Thread Starter
Intermediate
 
Joined: Mar 2014
Posts: 44
Likes: 1
Default 81 temp

my 81 runs from 120deg to 220Deg approx (as shown by temp guage on console) I also hear a slight metalic sound. how can i verify the water pump is bad, and what temp should it run??
Thanks
Reply
Old Apr 16, 2014 | 08:16 AM
  #2  
Easy Mike's Avatar
Easy Mike
Team Owner
Supporting Lifetime
20 Year Member
 
Joined: Jun 2000
Posts: 38,923
Likes: 1,481
From: Southbound
Cruise-In II Veteran
Default

Your owner's manual explains operating temperatures. 195 - 210 is normal. 220 is not overheating.

The common sign of a failed/failing water pump is coolant loss from the weep hole.

Are you losing coolant?

Reply
Old Apr 16, 2014 | 08:35 AM
  #3  
C376FL's Avatar
C376FL
Racer
 
Joined: Jan 2014
Posts: 407
Likes: 14
From: Mulberry Florida
Default

Originally Posted by Easy Mike
Your owner's manual explains operating temperatures. 195 - 210 is normal. 220 is not overheating.

The common sign of a failed/failing water pump is coolant loss from the weep hole.

Are you losing coolant?

I know when my water pump was going bad, I heard a noise coming from under the hood. When I checked I looked for water at the pump, found none. So I grabbed the fan, and it wiggled I knew I had found the problem, bad bearings.

Larry
Reply
Old Apr 16, 2014 | 09:16 AM
  #4  
kbrin's Avatar
kbrin
Thread Starter
Intermediate
 
Joined: Mar 2014
Posts: 44
Likes: 1
Default C3 water pump

Originally Posted by C376FL
I know when my water pump was going bad, I heard a noise coming from under the hood. When I checked I looked for water at the pump, found none. So I grabbed the fan, and it wiggled I knew I had found the problem, bad bearings.

Larry
I am still working on getting an owners manual, car didnt have one.
Its good to hear that 200-220 temp is ok and it never gets near red warning mark. the punp seems to have no wiggle and is not weeping water that i can see. I first thought the "tinging sound" was the ac compr but am now pretty sure its the pump.
Reply

Get notified of new replies

To 81 temp





All times are GMT -4. The time now is 05:42 PM.

story-0
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-1
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
story-2
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-3
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-4
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-5
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-6
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-7
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-8
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE
story-9
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE