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1998 dodge p/u 1500 5.9 running to cool in cold weather ...

Sent to Car Experts September 06, 2006 5:57 p.m.

1998 dodge p/u 1500 5.9 running to cool in cold weather running 210 deg in 90 deg weather replaced thermostat 2x 192 deg, replaced radiator, replaced water pump year ago not leaking did find for 6 monthes. water pump again? any tips? thanks Customer (name blocked for privacy)

Optional Information:
1998 Dodge p/u 1500 5.9

Already Tried:
radiator thermostat

Customer (name blocked for privacy)

Status: Closed Value: $8

Answer
September 06, 2006 6:14 p.m. (17 minutes and 16 seconds later)

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C.J. -- Auto Service Technician -- 96% Positive Feedback on 58 Car Accepts
ASE master certified, L1 certified, WA state emmissions, 19 years experience, foreign and domestic!

Answer
September 06, 2006 6:19 p.m. (4 minutes and 4 seconds later)

REPLIED

Hi again. I ran out of room on the last reply. Another possibility and reason the water pump seemed to have corrected it last time is if there was an air pocket in the cooling system. Do not rule out the thermostat though, new parts can be defective or fail after a short period of time.

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C.J. -- Auto Service Technician -- 96% Positive Feedback on 58 Car Accepts
ASE master certified, L1 certified, WA state emmissions, 19 years experience, foreign and domestic!

Reply to C.J.
Sent September 06, 2006 6:46 p.m. (27 minutes and 15 seconds later)

replaced water pump because of leak did not have the problem before or 6 monthes after in cold weather heater blows cold air engine not up to temp. i have tested guage it is correct.top hose is getting hot to fast I agree sounds like thermostat but replaced twice two bad new thermostats?

Customer (name blocked for privacy)

Answer
September 06, 2006 6:58 p.m. (12 minutes and 6 seconds later)

ACCEPTED

Hi Brian. I know it sounds odd but last month on a new yorker it took six thermostats before I finally got a good one. I started tewsting them by bringing a cup of water to 180 degrees in the mycrowave and putting the thermostats into it. All opened at about 160 instead of 190. Thats what temperature the water was when it finally closed. So yes as unlikely as it seems you have a thermostat that is opening too soon. If the thermostat does its job coolant never enters the radiator until it is atleast 190. Also until you get this fixed your gas mileage will suffer because you may not be getting into closed loop. Test and then change your thermostat.

__________________
If I answered your question choose accept but if you still need more help just ask, I'm here for YOU.

C.J. -- Auto Service Technician -- 96% Positive Feedback on 58 Car Accepts
ASE master certified, L1 certified, WA state emmissions, 19 years experience, foreign and domestic!

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