Coolant overflowing
#1
Coolant overflowing
So back my car up today to find coolant all over the floor. Popped hood and my reservoir was full and coming out of the tank.
2005 Wrx
Mishimoto radiator
Mishimoto hoses
Mishimoto radiator cap
OEM upper reservoir cap
30,000 miles on thermostat.
Tried to let it idle and have the fans kick on and they never did.
OEM gauge says normal heat levels
No coolant in my oil
any ideas. Anything I saw online was related to 2.5L and didnt match up to my symptoms
2005 Wrx
Mishimoto radiator
Mishimoto hoses
Mishimoto radiator cap
OEM upper reservoir cap
30,000 miles on thermostat.
Tried to let it idle and have the fans kick on and they never did.
OEM gauge says normal heat levels
No coolant in my oil
any ideas. Anything I saw online was related to 2.5L and didnt match up to my symptoms
Last edited by PSBeachBum; 01-20-2014 at 12:56 PM.
#2
i would run the car with the heater all the way up and once it reaches to 210 degrees the fans should come on. if they do not then your fans or relay could have went out on you.
#3
Registered User
iTrader: (14)
Join Date: Apr 2008
Location: Kahaluu, Oahu
Posts: 2,399
Car Info: 07 Sti
Nothing with the fans would explain the coolant overflowing...
For the coolant to be overflowing there either must be a restriction in the downstream line causing the fluid to back up upstream of the restriction, or, some other fluid is displacing the coolant in your system. Since you see no mixing of fluids I would suggest a restriction.
It could be that before you replaced your radiator... Etc... Some material got lodged in your coolant system and only now it has caused a restriction. The most likely place for the restriction downstream of the coolant overflow bottle would be the water pump.
Check the water pump for debris.
For the coolant to be overflowing there either must be a restriction in the downstream line causing the fluid to back up upstream of the restriction, or, some other fluid is displacing the coolant in your system. Since you see no mixing of fluids I would suggest a restriction.
It could be that before you replaced your radiator... Etc... Some material got lodged in your coolant system and only now it has caused a restriction. The most likely place for the restriction downstream of the coolant overflow bottle would be the water pump.
Check the water pump for debris.
#4
How about your thermostat?
Check and see if your bottom hose is hot after it reaches normal temp. If not then you thermostat isn't opening.
If your fan relays are still good then your fans are bad.
Open up your radiator cap and see if you see the coolant flowing.
Do you hear any sounds coming from your water pump?
Btw do you still have my gauges oil and water temp sensors?
Check and see if your bottom hose is hot after it reaches normal temp. If not then you thermostat isn't opening.
If your fan relays are still good then your fans are bad.
Open up your radiator cap and see if you see the coolant flowing.
Do you hear any sounds coming from your water pump?
Btw do you still have my gauges oil and water temp sensors?
Last edited by BattleD22; 01-20-2014 at 02:00 PM.
#5
Registered User
iTrader: (1)
Join Date: Jul 2012
Location: N. Calif. Delta
Posts: 207
Car Info: 2011 WRX Limited, 2005 STI, 2002 WRX
So back my car up today to find coolant all over the floor. Popped hood and my reservoir was full and coming out of the tank.
2005 Wrx
Mishimoto radiator
Mishimoto hoses
Mishimoto radiator cap
OEM upper reservoir cap
30,000 miles on thermostat.
Tried to let it idle and have the fans kick on and they never did.
OEM gauge says normal heat levels
No coolant in my oil
any ideas. Anything I saw online was related to 2.5L and didnt match up to my symptoms
2005 Wrx
Mishimoto radiator
Mishimoto hoses
Mishimoto radiator cap
OEM upper reservoir cap
30,000 miles on thermostat.
Tried to let it idle and have the fans kick on and they never did.
OEM gauge says normal heat levels
No coolant in my oil
any ideas. Anything I saw online was related to 2.5L and didnt match up to my symptoms
#10
1: mishimoto caps are crap get rid of them they could have failed buy some sti ones I have if need
2: thermostat could be stuck open and could be giving you symptoms of a blown head gasket
3: for fans check relays and fuses make sure the relays are seated all the way
4: for burping the system turn your heat on full blast don't know why but it causes your fans to turn on.
5: if all else fails head gaskets and arp head studs yay!!!
2: thermostat could be stuck open and could be giving you symptoms of a blown head gasket
3: for fans check relays and fuses make sure the relays are seated all the way
4: for burping the system turn your heat on full blast don't know why but it causes your fans to turn on.
5: if all else fails head gaskets and arp head studs yay!!!
Last edited by isaac3388; 01-23-2014 at 08:16 AM.
#11
1: mishimoto caps are crap get rid of them they could have failed 2: thermostat could be stuck open and could be giving you symptoms of a blown head gasket 3: for fans check relays and fuses make sure the relays are seated all the way 4: if all else fails head gaskets and arp head studs yay!!!
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