the d wrote:It will be the pair of vacuum solenoid in the RHF wheel area on the chassis rail. Very common unfortunately.
the d wrote:And what?
Unless you can visually see that you have smashed the front diff actuator then these are 95% of the problems
rogermtt wrote:Mostly the solenoid coil in the diff actuator is faulty. Try by pass the actuator and the 4 wd light should go off.
the d wrote:These 4wd systems require vacuum to hold the Out of 4wd. So if its stuck in 4wd there might not be any vacuum getting to the actuator. You can also test this by turning off the engine while rolling. You will hear the diff trying to lock up. Don't go too fast while attempting this
fridgie wrote:Yes, if there is strain/windup in the drive train it will make it harder to change out of 4wd.
I have had mine jam in 4wd for a while, took a few 'manoeuvres' to release the strain.
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