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2001 Chrysler PT Cruiser radiator cooling fan

Tiny
MORAMORA
  • MEMBER
  • 2001 CHRYSLER PT CRUISER
  • 2.0L
  • FWD
  • MANUAL
  • 109,000 MILES
Hi, car overheats, radiator full of coolant and clean, can get the cooler fan to kick in, have replaced the fan, the heat sensor, thermostat, replace relays 2 (one low) (1 High), had the car diagnostic fault shows as been the relays, have changed them but still the fan does not kicks in and the car keeps overheating, the question is: is there any other that needs testing or replacing to get the fan to kick in, many Thanks Peter from London England.
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Wednesday, April 16th, 2014 AT 3:33 PM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,741 POSTS
Have a chemical test performed to see if a cylinder head gasket is leaking. The combustion gases can pool under the thermostat and prevent it from opening.
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Wednesday, April 16th, 2014 AT 3:59 PM
Tiny
KTECH
  • MECHANIC
  • 57 POSTS
Try the chemical test and see what the results are. Another possibility that I saw in a friends PT Cruiser was the water pump. The care was the same age as yours, ran great but ran a little hot. When replacing the timing belt we tried to turn the water pump it was almost completely frozen, im surprised that this car was running as good as it was having almost no bearings left in the pump. Its possible that your bearings are also starting to wear and coolant is not cycling though your system with enough flow to aid in the cooling of the engine.
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Thursday, April 17th, 2014 AT 7:06 AM

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