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Mercury
Sable
Climate Control
Heater
Heater Core
After replacing the heater core it hesitates and smokes after running for a awhile?
LARRY M HARRISON
MEMBER
2002 MERCURY SABLE
3.0L
V6
2WD
AUTOMATIC
164,000 MILES
The car listed above is a GS model. I changed heater core and assembly now it hesitates and smokes when running awhile on the side the water pump on.
Do you
have the same problem?
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No
Sunday, March 21st, 2021 AT 7:05 PM
1 Reply
ASEMASTER6371
MECHANIC
52,797 POSTS
Good morning,
Check the hoses for leaks around the heater core are. You need to pressure test the system.
https://www.2carpros.com/articles/radiator-pressure-test
https://www.2carpros.com/articles/replace-heater-hoses
I attached a YouTube video of the heater core procedure below.
https://www.youtube.com/watch?v=iqCQpsGY49I
Roy
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Monday, March 22nd, 2021 AT 5:14 AM
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