transmission problems

Asked by Guru9K3S7G May 03, 2022 at 03:44 PM about the 1998 Chevrolet C/K 1500 Silverado Extended Cab 4WD

Question type: Maintenance & Repair

just got it the truck has  220000 miles on it supposedly has a rebuilt automatic
transmission but its throwing p0742, p0751, p0756, p1810, p1860, p1870,
p1870, p0740. i have checked every connection/ground it seems shift just fine.
it also drives fine if i manually use the 1-3 gears shifts a little hard into gears
also tried resetting the computer for it. it did nothing also has a new ecm

3 Answers
2,920

VRoom12345 answered 2 years ago

when was the trans rebuilt? Have a transmission repair shop look it over for you. All those codes are related to the transmission.

Mark helpful
30

bob answered 2 years ago

Unknown was supposedly just put in only have done 9 miles on the truck. have not had the time to take it to the shop. I know they are transmission codes that's why they are here. I failed to notice they used gasket maker for the pan when I got it assuming bits broke off into the transmission? have not had the time to drop it either (on a alt account)

Mark helpful
2,920

VRoom12345 answered 2 years ago

Without performing a test drive and dropping the pan no one can diagnose your issue over the internet, that is why I suggested you have a qualified mechanic look it over. Just based on the information you provided, I will say you it could be valve body related and or worse requiring another rebuild. Good Luck.

Mark helpful

Your Answer:

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