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Need 4wd vacuum help!!!!!
I have a 2002 F250 7.3 that the front auto hubs keep engaging when not switched into 4wd. I disconnected the vacuum lines at the hubs to stop this but I really need my 4wd in alaska! My heater controls also will only stay in defrost mode. Has anybody have this happen to them?
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no but my trucks vacuum system is shot. i have a 02 as well. i just rely on my manual lockout warns and they get me thru alot lol
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Why not just lock them in manually and leave them there until Spring? I don't use the vacuum system to engage the hubs ever, instead, I manually go out and turn the hubs as needed.
Your heater only blowing through the defrost is a symptom of no vacuum in the vacuum operated HVAC system. You have a vacuum leak or a dead vacuum pump. |
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