...4wd zr2, actuator is clicking, changed the tccm, and the 4wd switch, 4wd will not engage Before changing the actuator check the vacuum lines at the vacuum switch on the left side of the transer case ...
...4WD indicator switch blinks (light) but 2WD switch light never goes out. check switch , fuse and relay if good check cable hoses and wiring at transfer are not damaged or disconnected -check actuator ...
...go into 4wd. The 4wd light blinks and there is a noise like its trying to engage but it doesn't. check the actuator under the truck at at the transfer case may need adjustment or lube the actuator ...
...4wd. The way this actuator works, is it is a sealed chamber that gets heated by voltage. When it heats, the pin in the end swells and pushes a shift fork in the front differential. The shift fork ...
...4wd. The way this actuator works, is it is a sealed chamber that gets heated by voltage. When it heats, the pin in the end swells and pushes a shift fork in the front differential. The shift fork ...
4wd. also the actuator is new as the previous owner thought it was bad. On the full size, the front actuator is electric, not vacuum. When in 4wd mode, a switch on top of the transfer case conducts 12
...4wd. The way this actuator works, is it is a sealed chamber that gets heated by voltage. When it heats, the pin in the end swells and pushes a shift fork in the front differential. The shift fork ...
...are out then the 4wd switch is bad but,if it won't come out of 4wd-low then the 4wd actuator is bad or stuck.The 4wd actuator is what engages the differential from 2wd to 4wd.HOPE THIS
Question about 2008 Silverado 2500HD
4wd not engaging. Check actuator and seems to working properly. Jacked front end up and and when in 4wd the front tires spin freely. Any suggestions? Was trying to pull someone out and heard a "clunk"
Question about 2000 Silverado 1500
...don't know which actuator is working when switching to 4wd. I feel and hear clunk of 4wd engaging when buttons are pushed. There are actuators on the front axle and the transfer case, check them
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