Gm 4wd Elect Actuator And 4wd Thermal Actuator Test

By sditcompany On Sep 20, 2024 Last updated

Gm 4wd Elect Actuator And 4wd Thermal Actuator Test Youtube This is a very common 4x4 system design on gmc and chevy pick ups and suv's. The 4wd in these trucks uses what is known as a thermal actuator. it is located in the front differential, and engages the front wheels (not a locker) to the driveshaft that goes to the transfer case. this does not engage 4wd! only when your transfer case is engaged, and your front differential is engaged do you have 4wd.

Chevy 4wd Actuator Testing Dorman sells a kit to do this (dorman 600 600) but if you have the pigtail you can use that instead. take a look at the dorman kit, though. it includes a thick metal spacer. i think the electric actuator is shorter than the thermal one. if you just screw the electric one in it might not engage the axle all the way. A walkthrough of installing and wiring the electric actuator upgrade that replaces the thermal actuator in early model 88 95 gmt 400 trucks.the necessary par. Reaction score. 61. location. grundy county, tn. if you've pulled it out of its spot, just go ahead and unplug it and hook it up to the battery with jumper wires, that should let you know if its a voltage problem or the actuator is bad. oct 22, 2011. #6. Kitimat. well, finally got some time to address my 4wd actuator on front axle. went ahead and ordered the upgrade kit from old thermal to newer style. used dorman 600 600 harness and dorman 600 601 actuator. removed thermal actuator, cleaned threads, installed new spacer plug. applied threadseal to new actuator and wind into housing and tightened.

Chevy 4wd Actuator Testing Reaction score. 61. location. grundy county, tn. if you've pulled it out of its spot, just go ahead and unplug it and hook it up to the battery with jumper wires, that should let you know if its a voltage problem or the actuator is bad. oct 22, 2011. #6. Kitimat. well, finally got some time to address my 4wd actuator on front axle. went ahead and ordered the upgrade kit from old thermal to newer style. used dorman 600 600 harness and dorman 600 601 actuator. removed thermal actuator, cleaned threads, installed new spacer plug. applied threadseal to new actuator and wind into housing and tightened. Therefore, you should first check to ensure your actuator is working fine. then engage and disengage the 4wd to see if the light will stop blinking. another reason for this might be inadequate lubrication of the drivetrain. you will need to check the oil levels in the transmission and drivetrain. Showing results for 600 490. dorman products 600 490 : 4wd actuator and wiring harness upgrade kit. this 4wd differential actuator upgrade kit contains a 600 101 4wd electric actuator and 600 600 4wd actuator harness. the kit is designed to update a thermally activated differential to a more efficient electric differential on specified gm trucks.

Chevy 4wd Actuator Testing Therefore, you should first check to ensure your actuator is working fine. then engage and disengage the 4wd to see if the light will stop blinking. another reason for this might be inadequate lubrication of the drivetrain. you will need to check the oil levels in the transmission and drivetrain. Showing results for 600 490. dorman products 600 490 : 4wd actuator and wiring harness upgrade kit. this 4wd differential actuator upgrade kit contains a 600 101 4wd electric actuator and 600 600 4wd actuator harness. the kit is designed to update a thermally activated differential to a more efficient electric differential on specified gm trucks.

Chevy 4wd Actuator Testing

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GM 4WD elect actuator AND 4WD Thermal Actuator Test

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