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2002 GMC Yukon XL shifting issue?!
My brother has a 2002 GMC Yukon XL, that just recently started shifting hard from 1st going into 2nd. Every other shift after is fine. Does anyone have any suggestion's as to what could cause this? I read some where that it could be shift valve's sticking in the valve body?! Thank's for any help!
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Beach
FOR SALE- '01 QCSB, 4x4, SLT, Stage 4 ATS trans. w/5-star TC and billet input shaft, TST PM3, HTB2(62/12), F.A.S.S. 95gph, stage 2 aFe w/pro guard, stage 4 jammer's, 5" exhaust!
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