Still overheating after replacing the water pump, thermostat, radiator cap, top hose and flushed the radiator?

Tiny
SHALISA ISHAM
  • MEMBER
  • 1993 MERCURY SABLE
  • 3.0L
  • 2WD
  • AUTOMATIC
  • 86,000 MILES
My car is still overheating. I have changed the water pump, thermostat, radiator cap, top hose and flushed the radiator. It still runs hot. I am out of ideas, so any help is appreciated.
Thursday, July 19th, 2018 AT 9:00 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

From constant overheating, you may have damaged a head gasket. Head gasket failure is a result of overheating. You may have found the original reason for the overheating but in the process, it may have damaged a head gasket.

To confirm, you need to do a leak down test. That is where you inject air into each cylinder and watch for any movement in the radiator. That will confirm whether you have a failed head gasket. You can rent a tool at a parts store for this test.

Roy
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Thursday, July 19th, 2018 AT 10:40 AM

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