2005 Chrysler PT Cruiser

JAVOMA

MEMBER
2005 CHRYSLER PT CRUISER
4 CYL
2WD
AUTOMATIC
25,000 MILES

The problem is that the electric fan its not starting we have proved and changed the temperature sensor , the thermostat its agency new and water also circulates the coolant its also reaching the 96 oC but the fan doesn`t start. We have proved the circuit and we don't have signal fron the computer to start. Someone sais it could probably be the chassis module, but really don`t be sure is that. Additionally we have changed head gasket. Its something else we have missing or its really the computer, and its worth to repair the computer or buy it new.
thanks

2 Replies

JACOBANDNICKOLAS

MECHANIC
108,173 POSTS

Hi If there is no power to the fan and you replaced everyting related to it, the computer is all that is left. They are really non repairable and will need to be replaced. Are you getting power to the fan relay?

Joe

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Tuesday, December 9th, 2008 AT 1:40 PM

JAVOMA

MEMBER
2 POSTS

Hi we have power at the fan we actuate the relay manually and the fan start the problem seems that the computer dont operate the earth to the relay, we get another computer and makes the same thing, we are making obvious that the collant pump its working well because both hoses are hot but if not, can the coolant would get hot enough to open the relief pressure and dont reach the point to send the signal for the computer to activate the fan-

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Monday, December 15th, 2008 AT 6:19 PM