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98 GMC S15JIMMY/BLAZER - MODE ACTUATOR FAILURE
Posted to HVAC Forum on 9/30/2007 16 Replies

HELLO - We are baffled on this one.

Customer complained of Heater going to hot all of the time. We tested to find that there was no 'reference' coming from the actuator, which has a position sensor built into it. So, we replaced the bad actuator. Still had t... Login to read more.

16 Replies Received (View Replies)

 

car Vehicle Data

1998 S-15 JIMMY 4.3L

Engine4.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1998 S-15 JIMMY 4.3L

Engine4.3 L
Trans4-speed Automatic (Electronic)