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johneb48
New User
| Posts: 1
| Joined: 11/06
Posted: 11/28/06
04:15 AM
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This car has a new water pump (3000 miles ago--new not rebuilt),new thermostat (195degree),belt,new radiator cap,and new coolant.
When car is driven at full operating temp, it wavers from @ 195 to 220 degrees. Temp guage used to be very steady at 190 degrees and NEVER moved or vasilated. I have reverse flushed system,and preasure tested it--holds preasure perfectly. With cap off radiator, there are no bubbles that I can see and car idles and runs fine.
Any ideas ? Is there a fan switch and if so , where is it? Auxilary fan is comming on at 220 degrees. With A/C on, cools down (fans are running). Tested radiator with rayvac infrared temp tool and found radiator temp pretty consistant.
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nickb2
Guru
| Posts: 816
| Joined: 08/06
Posted: 11/29/06
01:15 PM
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monitor the resistance of the engine coolant temp sensor...
Nick
ASE Master Auto Technician, L1
ASE Master Auto Technician, L1, ASE Certified Service Consultant, ASE Certified Parts Specialist, Chrysler Certified Service Manager/Technician
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