trans issues- alison 1000

blumax

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hi folks, strange day today. left home today everything was fine, picked up a load of lumber, delivered it, went and took care of some other stuff, had lunch, picked up another load of lumber, delivered it, made a stop on way back, trans would not go into reverse. hmmm... put it back into park, looked at the dash and the indicator lite was not on, put it in r, still no lite, put it in d and still no lite, put it all the way to first and the indicator lite came on, stayed on for 1-3 but not for d, n, r, or park. hmmmmm.....now it goes into rev but only after you shift to drive then back to r, but no ind, lite. checked fluid, that was ok, checked wiring conns, seemed ok, nothing loose or broken, changed the spin on filter (cause their was one in the cabinet, can't hurt, right?) fluid level up to par and still the same. no change. two things-- service engine lite on now, some water coming out of the rubber boot around the shift cable at the trans. hmmm... the truck is a 2001 gmc with a d-max (lb7) 2500hd 4x4. gonna look into the water thing tomorrow then see about an appt. w/the dr. anyone with an idea?? thanx in advance to all!!!!
 

blumax

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Apr 19, 2009
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wisconson
had to replace the neutral safety switch on the trans, simple enough but it sure makes ya think that the trans is about ready to fall out. had to get the codes cleared at the dealer, too.
 

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