2011 chevrolet silverado 1500 6-speed transmission

October 3rd, 2011, 2:55 PM

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Silverado 2011 6 speed transmission

I have the new six-speed transmission in a very well equipped Silverado. I am expierenceing very hard down-shifting and if I dont keep my foot on the brake while stopping, it will "throw" me into intersections. Also it frequently shifts again at 65mph and with the flex-fuel engine you can feel the cylinder deletion from v8 to v4...a very rough switching back and forth.

Of course the Chevy dealer cant find any problems and that this a normal ocurrence.

Is anyone else having or noticing this kind of issue with the 2011 Silverado.

doug727

 

October 4th, 2011, 8:14 PM

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Quote:

Originally Posted by doug727

I have the new six-speed transmission in a very well equipped Silverado. I am expierenceing very hard down-shifting and if I dont keep my foot on the brake while stopping, it will "throw" me into intersections. Also it frequently shifts again at 65mph and with the flex-fuel engine you can feel the cylinder deletion from v8 to v4...a very rough switching back and forth.

Of course the Chevy dealer cant find any problems and that this a normal ocurrence.

Is anyone else having or noticing this kind of issue with the 2011 Silverado.

doug727

My 2010 does the bump when it goes to V4 mode also. Not real cool, guess we have to live with it. Mine makes a whine when I take off? only first gear,

 

October 5th, 2011, 7:16 AM

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I've got the same setup you do with 2011, the 5.2, A6 and "flex fuel" and I'm not experiencing any of the symptoms you're talking about. It's not "normal" and I'd be beating on the dealer to get it fixed.

 

October 8th, 2011, 9:33 AM

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I have a 2011 Silverado, 6 speed. Has not been a bad learning experience. My transmission has already lined out from multi-shifting to about one on an uphill climb. I don't feel the change from V4 to V8. I do notice the change in the sound of the engine.

I think you need to contact another dealer or have a meeting with the
GM rep.

What you are describing is not normal IMOP.

Please keep us posted.

 

November 8th, 2011, 2:03 PM

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same here

my 2010 has a whine in 1 and 2nd. Brought to dealer today, Mech says" fluid is bypassing a valve or "something". And it needs to be fixed or could lead to further damage!

 

November 9th, 2011, 2:03 PM

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<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:PunctuationKerning/> <w:ValidateAgainstSchemas/> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:Compatibility> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <w

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Are you aware if these repairs will be covered under your powertrain warranty? If you are not sure when you warranty ends, you can send me your VIN number and I can check for you.
Breanne
Chevrolet Customer Service

 

November 10th, 2011, 8:42 AM

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The service writer did not indicate I had to pay. I have 20,000 miles on 2010 truck?

 

November 18th, 2011, 1:01 PM

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Going to pick up my truck after repairs. service writer says it still has a slight whine!

 

November 18th, 2011, 2:14 PM

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I have the same 2010 5.3 A6 and some days it shifts real hard. And going into 1st at a light it feels like it wants to push me out.

I bought the DIC afterward and I can feel the v4 and hear it rumble at certain speeds. I want it to go into v4 a lot more. Not how I thought it worked.

 

November 18th, 2011, 3:44 PM

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still whines

Quote:

Originally Posted by Chevrolet Customer Service

Shakydoug,
Are you aware if these repairs will be covered under your powertrain warranty? If you are not sure when you warranty ends, you can send me your VIN number and I can check for you.
Breanne
Chevrolet Customer Service

Here is what Classic Did:
Removed transmission to disassemble and inspect. Metal debris in transmission. Found excessive wear in forward pinion gears of the output carrier due to poor machining. Replaced output carrier. Completely dissambled to clean debris. Flush and flow cooler---Code 9804F86 .7GPM @ 71 degrees. Cycle 356.

 

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