C5 Z06 Overheating when AC On
Thread Starter
5th Gear
Joined: Apr 2011
Posts: 5
Likes: 0
C5 Z06 Overheating when AC On
I just bought the car yesterday, and I replaced the battery today as it was not holding charge.
Then I took for a ride, 5-7 miles with AC on, and the temp keept climbing to 240+, and when parked the reservoir was steaming and spraying a bit of coolant.
After the car cooled, I took it out with out the AC and the temp was around 220, more or less stable, but soon as I put the AC on it started climbing again.
Your help on what it could be would be greatly appreciate, as its my fist vette.
Then I took for a ride, 5-7 miles with AC on, and the temp keept climbing to 240+, and when parked the reservoir was steaming and spraying a bit of coolant.
After the car cooled, I took it out with out the AC and the temp was around 220, more or less stable, but soon as I put the AC on it started climbing again.
Your help on what it could be would be greatly appreciate, as its my fist vette.
Safety Car
Joined: Apr 2004
Posts: 3,532
Likes: 79
From: pueblo co
do me a favor..lift the car up..and check around your radiator, corvettes are bottom feeders and a lot of crud usually gets stuck around the front top side ...i used a vacaumm to clean mine and it helped out a lot..
Thread Starter
5th Gear
Joined: Apr 2011
Posts: 5
Likes: 0
So can a bad reservoir cap raise temps? I see this more when AC goes on.
I think the fans are running, I can not see visibly but feel air in the compartment.
I have the procharger and intercooler, and one fan is on it, could not spot the others visibly. I can feel the air under the car. Where are they located?
I will look under again, to see debris, but seemed fine on quick glance earlier.
I think the fans are running, I can not see visibly but feel air in the compartment.
I have the procharger and intercooler, and one fan is on it, could not spot the others visibly. I can feel the air under the car. Where are they located?
I will look under again, to see debris, but seemed fine on quick glance earlier.
Burning Brakes
Joined: Mar 2008
Posts: 983
Likes: 36
From: Middle Of Kali CA
I just bought the car yesterday, and I replaced the battery today as it was not holding charge.
Then I took for a ride, 5-7 miles with AC on, and the temp keept climbing to 240+, and when parked the reservoir was steaming and spraying a bit of coolant.
After the car cooled, I took it out with out the AC and the temp was around 220, more or less stable, but soon as I put the AC on it started climbing again.
Your help on what it could be would be greatly appreciate, as its my fist vette.
Then I took for a ride, 5-7 miles with AC on, and the temp keept climbing to 240+, and when parked the reservoir was steaming and spraying a bit of coolant.
After the car cooled, I took it out with out the AC and the temp was around 220, more or less stable, but soon as I put the AC on it started climbing again.
Your help on what it could be would be greatly appreciate, as its my fist vette.
Thread Starter
5th Gear
Joined: Apr 2011
Posts: 5
Likes: 0
I just noticed when trying to check if both fan are turning on. I noticed on the left (facing from inside car) the fan comes on, but there is no fan on the right under procharger. Its seems the plate that goes accross but no fan.
The car has the A&A procharger setup with dewitts radiator w oil cooler.
Should I have two fans or Dewitts comes with single fan configuration.
Today in the city driving in 75F temp, the car was at 228F oil temp without AC. With AC it keeps climbing so I don't turn it on in city. This is without kicking SC, driving very soft. Under boost temp rises quickly.
On the highway, with AC on, I was at low 200s, in 6th gear cruising at 65mph.
The car has the A&A procharger setup with dewitts radiator w oil cooler.
Should I have two fans or Dewitts comes with single fan configuration.
Today in the city driving in 75F temp, the car was at 228F oil temp without AC. With AC it keeps climbing so I don't turn it on in city. This is without kicking SC, driving very soft. Under boost temp rises quickly.
On the highway, with AC on, I was at low 200s, in 6th gear cruising at 65mph.
Thread Starter
5th Gear
Joined: Apr 2011
Posts: 5
Likes: 0
Thanks 8VETTE7 for the information. I called the original owner as well, and he confirmed that there is only one fan installed. He moved the intake infront of the car, the one fan does run. Maybe its not sufficient to cool with AC in the city driving.
What do you guys think of adding Water Wetter in the coolant with Dex cool.
What do you guys think of adding Water Wetter in the coolant with Dex cool.
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1st Gear
Joined: Jun 2021
Posts: 1
Likes: 0
I just bought the car yesterday, and I replaced the battery today as it was not holding charge.
Then I took for a ride, 5-7 miles with AC on, and the temp keept climbing to 240+, and when parked the reservoir was steaming and spraying a bit of coolant.
After the car cooled, I took it out with out the AC and the temp was around 220, more or less stable, but soon as I put the AC on it started climbing again.
Your help on what it could be would be greatly appreciate, as its my fist vette.
Then I took for a ride, 5-7 miles with AC on, and the temp keept climbing to 240+, and when parked the reservoir was steaming and spraying a bit of coolant.
After the car cooled, I took it out with out the AC and the temp was around 220, more or less stable, but soon as I put the AC on it started climbing again.
Your help on what it could be would be greatly appreciate, as its my fist vette.
did you ever figure this out?
