Thread: 01 transfer case switch/4wd actuator/hvac controls
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Old 12-03-2008, 09:20 PM
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Re: 01 transfer case switch/4wd actuator/hvac controls
GM's answer is to replace any vacuum componant that was in contact with the trans fluid. This includes the vacuum canister, HVAC control, and vacuum actuators besides the vacuum harness. If you do a partial replacement, the fluid travels and recontaminates the rest of the system.
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