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1988 - 1998 (GMT400) Section for all discussion related to the 1987-1998 Chevrolet and GMC trucks.

1988 Heat Actuator (temperature control) clicking noise

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Old December 31st, 2018, 8:25 AM
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Default 1988 Heat Actuator (temperature control) clicking noise

My temperature control does not work any more on my 1988 C1500 (clicking noise). I disassembled it and the part number is 16045653.

I am not sure which part to order.

Will 16124952 work as a replacement (this I can get easily)?



this is where it sits

thats the actuator


position
Old December 31st, 2018, 3:02 PM
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Originally Posted by Andy_C10
My temperature control does not work any more on my 1988 C1500 (clicking noise). I disassembled it and the part number is 16045653.

I am not sure which part to order.

Will 16124952 work as a replacement (this I can get easily)?



this is where it sits

thats the actuator


position
Rock Auto shows the proper actuator as ACDelco part # 16141802, It looks just like the unit you are holding.

Last edited by oilcanhenry; December 31st, 2018 at 3:05 PM.
Old January 1st, 2019, 12:57 PM
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The part 16141802 seems to be the mode actuator (66), but I am looking for the temperature actuator (61).
Can't imagine it is the same part.






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