Questions & Answers for: GMC vac

vacuum lines for an 1983 GMC CABALLERO with 229 V6 Does anyone know the routing for the vacuum lines for an 1983 GMC CABALLERO with 229 V6? This is an utter nightmare. every time i try to route the ...

gmc turbo we have replaced injectors and turbo. turbo is not spooling up. There is no vacum . I think the previous owner might have removed when turbo went bad. Can anybody tell me where the vacum ...

...off, but with out a diagram I don't know where to look several places to check first one is the vac line on the ball mounted to your hood. if its ok then under the truck on the transfercase is

replacement vacuum pump bearing also fails in 1400 miles I'd been having a new noise / rattle and was having trouble diagnosing it. While fueling locally, a mechanic at a service garage heard the ...

flashes but will not go in 4 wheel drive Check to see if the front diff is being engaged. Ther is a vac switch that come from the transfer case. It sits right on top has 3 lines. One line is vac input

...and we have even tried the fuse for the abs with no solution. is there anything we could do? Your vac booster might be leaking or you have some air in your brake lines, bleed lines and check vac ...

...236 is - boost sensor #1 out of range. Usually it is not the sensor itself. In my case it was the vacuum pump had gone bad. No or low vacuum will cause the 236 code to set. Check for vacuum at the ...

ac air flo control stuck on defrost You will need to go through your lines on the vacc and find the leak normally its a seal right at the vaccume motor or a cracked tube on earlier years good luck im ...

...light or when turning a corner slowly, battery didnt help the problem. sound to me like a manifold vacume problem. your enviroment control is ran by vac and vac leak or low vac will create a stall ...

...drier in my `1997 jimmy I have to pour oilin the receiver ? Well you can. Normally, you would run a vac pump to pull all of the air out of the system, then allow the vac to pull oil back into the ...