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Power Strokes
6.4 Tech
4x4 wont engage
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[QUOTE="TxFireman1972, post: 166633, member: 448"] If you have your AC running, and switch it to 4wd does the AC go to defrost? If it does, it's from a vacuum leak. Either a hose off somewhere or the solenoid is bad. My 4wd solenoid (can't remember the name) was bad. Was about $50 at the dealer. Mine was on the pass side fenderwell. [/QUOTE]
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