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

Had a bad day

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Old 07-26-2017, 01:49 PM
  #21  
Silver96ce
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Look at my prior post, #15. New water pumps, to my knowledge, do not come with the coupler. Go get it, and find a new shop.

Last edited by Silver96ce; 07-26-2017 at 01:51 PM.
Old 07-26-2017, 02:26 PM
  #22  
JrRifleCoach
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Ya know there is a whole lot of info in a sticky in the C4 Gen section.
Temps, how to burp/purge, and more info to assist with troubleshooting.
I suggest that the "speculators" here should read that sticky.

My experience is when a pump is replaced to replace the t-stat and pressure cap.
Fully burp and pack. Then let the car sit overnight and do it again.
All those little bubbles sitting in the slanted radiator and heater core can collect then purge out the next morning.


Last edited by JrRifleCoach; 07-26-2017 at 02:42 PM.
Old 07-26-2017, 02:40 PM
  #23  
Kmcoldcars
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I checked the car this morning. Everything was full of coolant and water ran out of the bleed screw. The waterpump appears to be the correct one for a Corvette according to the part number on the box. It appears that new waterpumps do not come with new sleeves.
I have talked with the shop that did the work. They agreed to give Dan his money back and the sleeve. It will be repaired by a competent mechanic tomorrow.
Stay tuned to see if that corrects the problem.
Old 07-26-2017, 03:35 PM
  #24  
lectroglide
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Originally Posted by 383vett
Maybe they didn't fill the system. Have you tried running it since the initial overheating incident?
discovered they over filled the system
Old 07-26-2017, 03:47 PM
  #25  
lectroglide
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the shop that messed up the WP installed was kind enuff to gimme a full refund so its going to a more knowlegable shop with vette experience tommorrow. so were hopefull

Last edited by lectroglide; 07-26-2017 at 10:45 PM.
Old 07-26-2017, 04:23 PM
  #26  
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Originally Posted by lectroglide
The rad problem is our last suspect
should have been the first thing you did. Who told you a WP change would cure overheating?
Clogged radiators are 90% of the cause, then 9% thermostat and 1% water pumps
My thoughts, not fact
Old 07-26-2017, 04:29 PM
  #27  
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Originally Posted by lectroglide
thanx for the replys............ heres the history in chronical order.

before I took it on the shop and changed the WP the temp was heating up and would max out around 226 then id get on the hiway and it would calm down to around 203-4 but I would also turn the AC and it would drop.
What's wrong with 226?
Old 07-26-2017, 04:46 PM
  #28  
Kmcoldcars
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Originally Posted by seabright
Impossible to over fill the cooling system. Fill the reservoir to the brim, and with the cap off, the excess flows to the overflow bottle. The cap of the overflow bottle is ventilated so even if the overflow bottle is full, the excess will flow to ground.
The shop had too much water in the overflow bottle, which is why it was overflowing after the car heated up.
Old 07-26-2017, 04:48 PM
  #29  
Kmcoldcars
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Originally Posted by Cruisinfanatic
What's wrong with 226?
Read my post 20. The temps reached 245 and were climbing when I pulled off the road and shut it down.
Old 07-26-2017, 04:50 PM
  #30  
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Originally Posted by Cruisinfanatic
should have been the first thing you did. Who told you a WP change would cure overheating?
Clogged radiators are 90% of the cause, then 9% thermostat and 1% water pumps
My thoughts, not fact
Read my post 20. The car was taken to a shop where they told Dan the waterpump was leaking and needed to be replaced.
Old 07-26-2017, 06:10 PM
  #31  
desertmike1
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OK, without reading this whole thing, I have two Questions; are you reading the temperature off of the Digital gauge or Analog? and Did you inspect the Cavity "Between" the Radiator and A/C Condensing Coil for Debris?
Old 07-26-2017, 06:45 PM
  #32  
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Originally Posted by Kmcoldcars
Read my post 20. The temps reached 245 and were climbing when I pulled off the road and shut it down.
OP said 226 before the WP replacement. Nothing at all wrong with that number
Originally Posted by Kmcoldcars
Read my post 20. The car was taken to a shop where they told Dan the waterpump was leaking and needed to be replaced.
Dan would have noticed it leaking, not a shop all of a sudden saying it is
Old 07-26-2017, 06:59 PM
  #33  
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Originally Posted by seabright
I mentioned in post 24 that there is a test for exhaust gas in the coolant.Test the coolant.
For now if the pump isn't turning, its a moot point..
Old 07-26-2017, 07:12 PM
  #34  
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Originally Posted by Cruisinfanatic
OP said 226 before the WP replacement. Nothing at all wrong with that number
Dan would have noticed it leaking, not a shop all of a sudden saying it is
the WP was indeed on its way out and had lost some bearings on our inspection, before it went into the shop I knew something was wrong being I could smell coolant , anyway will know more tommorrow and the saga continues.
Old 07-26-2017, 08:21 PM
  #35  
383vett
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Originally Posted by lectroglide
the WP was indeed on its way out and had lost some bearings on our inspection, before it went into the shop I knew something was wrong being I could smell coolant , anyway will know more tommorrow and the saga continues.
Water pumps don't have bearings. They have a bushing.
Old 07-26-2017, 09:00 PM
  #36  
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Originally Posted by 383vett
Water pumps don't have bearings. They have a bushing.
OK, so all the little round metal ***** in a circle, with a few missing, were bushings. Thank you for straightening me out. Now I know.
Old 07-26-2017, 09:06 PM
  #37  
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Originally Posted by Cruisinfanatic
Dan would have noticed it leaking, not a shop all of a sudden saying it is
Damn, you are amazing. You are 3000 miles away yet you know exactly how things went down here.

Just a side note.
I have noticed over the years that you have been very helpful to many Corvette owners who are having problems. Thank you for helping them out. Just do not tell us how things unfolded here when you are not here.

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Old 07-26-2017, 10:19 PM
  #38  
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Wow...
Old 07-26-2017, 10:58 PM
  #39  
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theirs no WOW ABOUT IT just fact.............. and BTW either I'm going blind or was seeing things but those were definitely ball bearings where the shaft comes out...........you know those little round things that look like BBs,thier were several missing from the ball race. am surprised some here don't know the diffrence

Last edited by lectroglide; 07-26-2017 at 11:28 PM.
Old 07-26-2017, 11:08 PM
  #40  
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Originally Posted by Kmcoldcars
Damn, you are amazing. You are 3000 miles away yet you know exactly how things went down here.

Just a side note.
I have noticed over the years that you have been very helpful to many Corvette owners who are having problems. Thank you for helping them out. Just do not tell us how things unfolded here when you are not here.
Lets review. The op said he had temps as high as 226. 226 is not abnormal. If the OP was concerned about that temp, the first thing that should have been done is to pull the radiator and clean the fins. Anyone on the forum will say the same. I have a hard time believing the water pump had any issue (leaking) when there was none noticed on the floor


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