Questions & Answers for: GMC Sonoma top case

...top up and labor. And remember to get a phone number for the guy in case it needs to be done a couple of years from now. I did this sealant to about 200 cars (1990's to 2007) and have had only 75 ...

...top of the transfer case is a vacuum switch with 3 vacuum lines connected to it. This switch controls when vacuum is applied to the vacuum actuator. This switch can fail partly and allow fluid from ...

...case. If not used very often, they tend to seize up. If used alot, may be in need of replacement or oil needs replacing. I believe they take about 1.5-2L of auto trans fluid. Check the fluid level ...

...top of the transfer case, driver side but when that fails, your front hub stay's locked in the on position. Good luck and keep me posted and hope it's a simple fuse that has gone bad. You can pick up ...

...top of transfer case to a vacuum switch then on the front of transfer case is a hookup for the vent for oil venting all vacuum lines at transfer case are together and plug into switch on rear top. ...

...top of the transfer case, driver side but when that fails, your front hub stay's locked in the on position. Good luck and keep me posted and hope it's a simple fuse that has gone bad. You can pick up ...

...it could be a vacuum line leak, or the vacuum actulator, also check to see if you have oil in the vacuum line under the truck if you do it would be the vacuum switch on the top of the tansfer

...top of the transfer case, drivers side. You can pick up the vacuum switch at Auto Zone, Napa for around $25.00 and is common to fail. When they fail, the vacuum to the front axle hub actuator will ...

...case then your going to need to do a top end rebuild. to replace the hydraulic lifters your going to need to remove the cams so as you can get to the lifters under neath the cup they sit under so its ...

...top of the tranfer case there is vacuum lines and a transfer vacuum switch pull the vacuum line off and see if there is oil in one of the lines there will be 3 lines on it, if there is you need to ...