Question about 2000 GMC Sierra

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2000 gmc sierra z71 slips between 2nd and 3rd after 10 miles pulling a trailer. 124000 miles on truck fluid has never been changed

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Try a bg trany service, that helps alot,it done by machine with a cleaner and then conditioner,removes 100% of old fluid not like just dropping pan were onlt 70% is removed and then new fluid mixs with old causing damage in time. BG make sure thats whats done! hope this helps.good luck. you may go on there web for more info.

Posted on Oct 08, 2009

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Posted on Jan 02, 2017

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Hi!!

When was the last time you service the tranny?

Fluid should be topped to level, pinkish in color and no burnt smell.

This happened two months ago; my cousin's Intrigue was slipping on 2nd n 3rd when it reached 2000 rpms. and some times when trying to take off suddenly, Have to released the gas a little and you could feel it engaging again.

Solution: Changed Transmission fluid and filter and added one bottle of RISLONE Transmission Stop Slip and Leak Repair I got at AutoZone ($10), It stopped the slipping after driving the car a couple of miles, you can actually feel more traccion in all gears and my cousin says is even giving more miles X gallon. He drives the car about 80 miles a day and is been over two months since. It may sound like a commercial ad but that stuff works great!!!

Rate this answer and keep me posted!! Good Luck!!

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