2001 PT Cruiser coolant light

Asked by Jun 25, 2016 at 12:26 AM about the 2001 Chrysler PT Cruiser Limited

Question type: Maintenance & Repair

My wife's 2001 PT is occasionally giving a coolant
light and last time started getting hot.  Only
happens when driving in town and when she shuts
it off for about 30 minutes light goes out. All ready
changed temp sensor and checked that fan is
working on both speeds. Plan on bleeding system
tomorrow.  Should I go ahead and replace
thermostat and radiator cap?  Like I said this isn't
happening everyone she drives the car. Maybe
once a week while driving in town and only once so
far dealing with it getting hot.  At a loss since not
getting any codes

2 Answers

83,315

As it only happens in town it can either be poor coolant flow through the radiator, and that can be either a bad radiator or water pump, q or poor air flow through the radiator, and that be just dirt and bugs build up in the radiator fins or condenser blocking air flow. Make sure the radiator or condenser is dirt and bug free through the core. Checking coolant flow is a little more involved, you should purchase one of those little lazer temp sensor guns, that way you could measure the coolant temp as it moves through the radiator, and really hot or cold spots will indiacate problems with the radiator internally. As this a PT Cruiser you have no doubt been warned about the dreaded blown headgasket, heat is the cause of most headgasket blow outs.

Thx. Only getting a coolant light though no overheat except for the one time. Will check flow like you said

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