How does a transfer case vacuum switch work?
How does a transfer case vacuum switch work?
That cable is pulled by a pneumatic actuator under the battery tray. The actuator gets its vacuum when the transfer case shifts to 4WD. Shift forks, or whatever they call this apparatus inside the transfer case, push up against a spring-loaded ball that is part of the transfer case vacuum switch.
What happens when you push the transfer case button?
With either option, two things are happening when you push the 4WD button or throw the lever into 4WD. First, the transfer case shifts and delivers power to the front drive shaft. With push-button 4WD, the
What happens when the transfer case goes bad on a Sonoma?
GMC Sonoma & Chevy S-10 Transfer Case Vacuum Switch How to decontaminate your vacuum lines when the transfer case vacuum switch goes bad GM S-Series 4WD Troubleshooting With either option, two things are happening when you push the 4WD button or throw the lever into 4WD. First, the transfer case shifts and delivers power to the front drive shaft.
What is the actuator on a 4 wheel drive?
The actuator is a component found mostly on modern four wheel drives and is designed to electronically engage 4 wheel drive. It accomplishes this by means of a small electric motor bolted onto the transfer case that shifts a pin in place to lock the center transfer differential.
That cable is pulled by a pneumatic actuator under the battery tray. The actuator gets its vacuum when the transfer case shifts to 4WD. Shift forks, or whatever they call this apparatus inside the transfer case, push up against a spring-loaded ball that is part of the transfer case vacuum switch.
Why is my transfer case actuator not working?
If you have both of these symptoms then the culprit is very likely to be a stripped gear inside the transfer case motor. The transfer case actuator motor is a small motor that is bolted on to the transfer case and can be removed and replaced (or repaired with a new internal gear).
GMC Sonoma & Chevy S-10 Transfer Case Vacuum Switch How to decontaminate your vacuum lines when the transfer case vacuum switch goes bad GM S-Series 4WD Troubleshooting With either option, two things are happening when you push the 4WD button or throw the lever into 4WD. First, the transfer case shifts and delivers power to the front drive shaft.
