TRANSFER CASE

[mark kulaga]

I HAVE A 2004 TAHOE 4.8 ENGINE WHEN DRIVING IN 2 HIGH  IT WILL GO INTO  NEUTRAL COASTED OVER TO THE SIDE OF THE ROAD OPEN DOOR COULD HEAR A LITTLE NOISE NOT LOUD GRINDING MORE LIKE A LITE GRINDING NOISE COMING FROM TRANSFER CASE I BELIEVE HOOKED UP MY FRIENDS SCANNER TURNED TRUCK OFF PUT IN PARK START TRUCK PUT IN 2 HIGH TEST DROVE WITH SCANNER TO DUPLICATE PROBLEM NO CODES ON DASH OR SCANNER   ENCODER RING OR ENCODER MOTOR  ?  TRANSMISSIOM IS FINE IF I DOWN SHIFT 1 GEAR DOWN IT WILL ALSO GO INTO FREE WHEEL OR NEUTRAL ANY HELP THANKS MARK KULAGA

[richard wysong]

Probably a broken shift fork in the case, not a particularly hard job but easier with the case removed. check the encoder first to make sure, remove the motor and manually shift it into 4H and take it for a ride