1995 Jeep Cherokee OVERHEATING

Tiny
MARILYNROSS
  • MEMBER
  • 1995 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 11,500 MILES
I JUST HAD THE RADIATOR, HEATER CORE, AND WATER PUMP REPLACED FOR $1,600.
THE REASON BEING IMMEDIATE OVERHEATING AND WATER ON PASSENGER FLOOR.
ONE WEEK LATER, THE JEEP IS IMMEDIATELY OVERHEATING AGAIN, WITH THE NEEDLE GOING TO HOT AND STEAM UNDER THE ENGINE.
ANY SUGGESTIONS?
Tuesday, June 3rd, 2008 AT 8:48 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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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Tuesday, June 3rd, 2008 AT 8:59 AM

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