RUNNING HOT AGAIN

Tiny
SUSAN45
  • MEMBER
  • DODGE INTREPID
I HAVE AN 1997 DODGE INTERPID AND IT IS RUNNING HOT AGAIN-WE FIRST CHANGED THE WATER PUMP AND THIS SEEMED TO FIX THE PROBLEM BUT NOW ITS DOING IT AGAIN AND YOU DO NOT HAVE TO DRIVE FAR-WE HAVE REPLACED THE THERMOSTAT-WE FLUSHED OUT THE RADIATOR-WE HAVE CHECKED THE FANS COMING
ON-THERE IS NO WATER IN THE OIL-WHAT COULD ELSE COULD IT BE-I NEED ALL SOLUTIONS
THANKS SUSAN
Sunday, November 18th, 2007 AT 5:43 PM

2 Replies

Tiny
FAIRRACING31
  • MECHANIC
  • 150 POSTS
Seem's like you have checked everything except your radiator cap. If your radiator cap doesn't keep the right pressure, it can cause a overheating problem. Another possible cause could be radiator core blocked.
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Sunday, November 18th, 2007 AT 7:05 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try bleeding it don't work have the tests below done.

BLEEDING COOLING SYSTEM

Always bleed air from cooling system after replacing coolant. Set heater for maximum heat. Remove radiator cap. Loosen drain plug and remove drain bolt (if equipped) from engine block. Drain coolant reservoir. Fill coolant reservoir to MAX mark with 50/50 water-coolant mixture. Loosen bleed bolt and fill radiator up to base of filler neck. Close bleed bolt when coolant flows out without bubbles. Tighten bleed bolt. With radiator cap removed, start and operate engine to normal operating temperature. Add coolant if necessary and check for leaks.

Have it block and pressure tested-do the block first to pinpoint a combustion leaking into the cooling system or a gas analyzer to sniff for hydrocarbons at the radiator fill neck.

Pressure test: do not do a pressure test if there's leakage at the headgasket this might cause coolant into the cylinders and lock it up or bend a connecting rod if cranked thereafter. The headgasket should be repaired before doing the pressure test.

If the block and pressure test passes check the following: Thermostat, Pressure test the Rad. Cap, Clogged radiator, Fan clutch, Radiator electrical fan, collaspe hoses, water pump.
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Sunday, November 18th, 2007 AT 7:14 PM

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