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Chevy Silverado and GMC Sierra Surge/hesitation
7 messages, Last post on Jan 21, 2008 at 8:08 PM
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What is this discussion about? Chevrolet Silverado 2500HD, GMC Sierra 2500HD, Chevrolet Silverado 2500, Truck
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#1 of 7 03 Silverado...surge/bucking/hesitation uner load by jackoue
Jan 14, 2008 (8:11 am)
I have an 03 Silverado 2500hd crewcab long box 4x4 with a 6.0L and aut transWhen the vehicle is loaded with the camper 2200lbs it has a buck/surge/hesitation between 2100-3000 rpm when the torque converter is locked.
The torque converter has just been replaced by the dealer...it has new plugs,plug wires, fuel filter, air filter, the trans was serviced.
The dealer now says its a normal caracteristic of the truck when the torque converter is locked...
I dont believe it....
I've owned other vehicles and hauled stuff..this is one uncomfortable ride when hauling
Any opinions or ideas...
Please and thank you
- obyone (Jan 14, 2008 11:08 am)
Replies to this message:
#2 of 7 Re: 03 Silverado...surge/bucking/hesitation uner load [jackoue] by obyone
Jan 14, 2008 (11:08 am)
Replying to: jackoue (Jan 14, 2008 8:11 am)
Have you tried driving it in tow/haul mode? You could also try driving it around in "3" rather than "D" until speed rpm dictates an upshift while in the 3500+ rpm range. I'm assuming you have the 4L80E trans.
- jackoue (Jan 14, 2008 4:55 pm)
Replies to this message:
#3 of 7 Re: 03 Silverado...surge/bucking/hesitation uner load [obyone] by jackoue
Jan 14, 2008 (4:55 pm)
Replying to: obyone (Jan 14, 2008 11:08 am)
I've tried both tow haul and without towhaul It does it both in 3 and D when in between 2100-3000rpm
- davethecarnut (Jan 15, 2008 12:14 am)
Replies to this message:
#4 of 7 Re: 03 Silverado...surge/bucking/hesitation uner load [jackoue] by davethecarnut
Jan 15, 2008 (12:14 am)
Replying to: jackoue (Jan 14, 2008 4:55 pm)
I'd guess it's the torque convertor. Put the camper on and drive to the dealer and have them drive it so they can experience it themselves.
Good Luck
- jackoue (Jan 15, 2008 6:03 pm)
Replies to this message:
#5 of 7 Re: 03 Silverado...surge/bucking/hesitation uner load [davethecarnut] by jackoue
Jan 15, 2008 (6:03 pm)
Replying to: davethecarnut (Jan 15, 2008 12:14 am)
It has a new torque converter...didn't change anything...I took it in with the camper for them to diagnose
- davethecarnut (Jan 21, 2008 3:59 pm)
Replies to this message:
#6 of 7 Re: 03 Silverado...surge/bucking/hesitation uner load [jackoue] by davethecarnut
Jan 21, 2008 (3:59 pm)
Replying to: jackoue (Jan 15, 2008 6:03 pm)
Did you get a diagnosis from the dealer yet?
- jackoue (Jan 21, 2008 8:08 pm)
Replies to this message:
#7 of 7 Re: 03 Silverado...surge/bucking/hesitation uner load [davethecarnut] by jackoue
Jan 21, 2008 (8:08 pm)
Replying to: davethecarnut (Jan 21, 2008 3:59 pm)
all the diagnosis was don e by the dealer
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