Coolant overflowing out of overflow tank? OVERHEATING!!!
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Coolant overflowing out of overflow tank? OVERHEATING!!!
I just recently replaced my engine with a brand new remanufactured engine...I've put about 600 miles on it...
Runs awesome, but now I've run into a overheating problem, first thoughts was thermostat & rad cap so I replaced those & i'm still having the same issue.
After about half a mile of driving the temp starts going up, it's pushing coolant into the overflow tank & overflowing if it gets too hot. Once you let it cool, it all goes back into the radiator leaving my overflow tank at MIN
My radiator fans are working, so could it only be a waterpump?
Really frustrating spending $4,000 on a new motor & I'm running into other issues...
The place I took it to, all they work on is 350z,g35, & vq35 engines so I'm sure they knew what they were doing, I don't think it has anything to do with them putting on something wrong...
What could it be?
Runs awesome, but now I've run into a overheating problem, first thoughts was thermostat & rad cap so I replaced those & i'm still having the same issue.
After about half a mile of driving the temp starts going up, it's pushing coolant into the overflow tank & overflowing if it gets too hot. Once you let it cool, it all goes back into the radiator leaving my overflow tank at MIN
My radiator fans are working, so could it only be a waterpump?
Really frustrating spending $4,000 on a new motor & I'm running into other issues...
The place I took it to, all they work on is 350z,g35, & vq35 engines so I'm sure they knew what they were doing, I don't think it has anything to do with them putting on something wrong...
What could it be?
Do you own an obd2 tool or one of the wifi devices that connect to your smartphone?
Easy answer, check for air in coolant system.
Hard answer,
Watch a few of the engine parameters like coolant temp, flow rate, etc. Sounds like you are going to have to find it yourself.
Easy answer, check for air in coolant system.
Hard answer,
Watch a few of the engine parameters like coolant temp, flow rate, etc. Sounds like you are going to have to find it yourself.
Thread Starter
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Registered User
Joined: Feb 2014
Posts: 9
Likes: 0
Do you own an obd2 tool or one of the wifi devices that connect to your smartphone?
Easy answer, check for air in coolant system.
Hard answer,
Watch a few of the engine parameters like coolant temp, flow rate, etc. Sounds like you are going to have to find it yourself.
Easy answer, check for air in coolant system.
Hard answer,
Watch a few of the engine parameters like coolant temp, flow rate, etc. Sounds like you are going to have to find it yourself.
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Joined: May 2024
Posts: 1
Likes: 0
G35 and 350Z
Same issue as freshkiicks
Hey @Freshhkiicks by any chance did u ever figure out the issue? I’m having the exact same problem with my G and I’ve been at a total loss after bleeding it like crazy, new thermostat new hoses new radiator
I just recently replaced my engine with a brand new remanufactured engine...I've put about 600 miles on it...
Runs awesome, but now I've run into a overheating problem, first thoughts was thermostat & rad cap so I replaced those & i'm still having the same issue.
After about half a mile of driving the temp starts going up, it's pushing coolant into the overflow tank & overflowing if it gets too hot. Once you let it cool, it all goes back into the radiator leaving my overflow tank at MIN
My radiator fans are working, so could it only be a waterpump?
Really frustrating spending $4,000 on a new motor & I'm running into other issues...
The place I took it to, all they work on is 350z,g35, & vq35 engines so I'm sure they knew what they were doing, I don't think it has anything to do with them putting on something wrong...
What could it be?
Runs awesome, but now I've run into a overheating problem, first thoughts was thermostat & rad cap so I replaced those & i'm still having the same issue.
After about half a mile of driving the temp starts going up, it's pushing coolant into the overflow tank & overflowing if it gets too hot. Once you let it cool, it all goes back into the radiator leaving my overflow tank at MIN
My radiator fans are working, so could it only be a waterpump?
Really frustrating spending $4,000 on a new motor & I'm running into other issues...
The place I took it to, all they work on is 350z,g35, & vq35 engines so I'm sure they knew what they were doing, I don't think it has anything to do with them putting on something wrong...
What could it be?
Registered User
Joined: Dec 2010
Posts: 224
Likes: 0
From: Orange County, California
Hey @Freshhkiicks by any chance did u ever figure out the issue? I’m having the exact same problem with my G and I’ve been at a total loss after bleeding it like crazy, new thermostat new hoses new radiator
did you get a new engine too?
Registered User
Joined: Jun 2013
Posts: 276
Likes: 39
From: Tampa
2003 G35 Coupe
Lots of hoses were reattached and probably in a hurry.
Expect to find a loose or not so springy hose spring clamp somewhere.
The hoses going into the TB can be a hard place to check.
Expect to find a loose or not so springy hose spring clamp somewhere.
The hoses going into the TB can be a hard place to check.
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Kuneff
G35 Coupe V35 2003 - 07
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Dec 10, 2010 11:04 AM
