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Yes, thermo-coupler is good. Easy way to check it is to hold the fan while someone else starts the car. If there is no resistance, the coupler needs to be replaced.
Yes, thermo-coupler is good. Easy way to check it is to hold the fan while someone else starts the car. If there is no resistance, the coupler needs to be replaced.
The car does not have electric fans, instead, it has a thermo-coupler attached to the fan and therefore does not turn on as in most modern rear-wheel drive cars and all front drive cars. Being rear-wheel drive, my engine sits longitudinally with a fan belt driving the fan. But again, thanks for all the suggestions, I will hopefully re-flush the system this coming weekend.
The car does not have electric fans, instead, it has a thermo-coupler attached to the fan and therefore does not turn on as in most modern rear-wheel drive cars and all front drive cars. Being rear-wheel drive, my engine sits longitudinally with a fan belt driving the fan. But again, thanks for all the suggestions, I will hopefully re-flush the system this coming weekend.
Thanks for the suggestions.
First, there is no smoke from the muffler upon start up, so I don’t believe it’s a head gasket issue.
Second, I am using coolant (I have a water/coolant mixture tool which indicates protection up 265* F.)
Third, the car is rear drive with a mechanical fan clutch and does not have electric fans to turn on once it get hot.
Fourth, I was unable to flush the system in reverse due to a vertical heater hose that prohibits me to use a flushing tee (which requires a level, horizontal, heater hose). This may be the reason for the lack of heat, which really doesn’t concern me as I live in So. Cal. and not a priority at the moment.
Fifth, last night I noticed a little bit of gunk at the bottom of the overflow tank (which was clean after I flushed it a couple of weeks ago).
All this leads me to think there is residual gunk in the system which I will have to flush again. I think this time I will also disconnect the heater hoses and back-flush the heater core.
Wish me luck.Thanks for the suggestions.
First, there is no smoke from the muffler upon start up, so I don’t believe it’s a head gasket issue.
Second, I am using coolant (I have a water/coolant mixture tool which indicates protection up 265* F.)
Third, the car is rear drive with a mechanical fan clutch and does not have electric fans to turn on once it get hot.
Fourth, I was unable to flush the system in reverse due to a vertical heater hose that prohibits me to use a flushing tee (which requires a level, horizontal, heater hose). This may be the reason for the lack of heat, which really doesn’t concern me as I live in So. Cal. and not a priority at the moment.
Fifth, last night I noticed a little bit of gunk at the bottom of the overflow tank (which was clean after I flushed it a couple of weeks ago).
All this leads me to think there is residual gunk in the system which I will have to flush again. I think this time I will also disconnect the heater hoses and back-flush the heater core.
Wish me luck.
