Tranny slippage - Cadillac XLR Forum: XLR and XLR-V Forums
 
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post #1 of 8 (permalink) Old 07-11-2008, 08:11 PM
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Tranny slippage

Tranny slippage.............air mass sensor was cleaned and tranny works fine now.
Bobo

Last edited by standby; 07-15-2008 at 07:55 PM.
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post #2 of 8 (permalink) Old 07-11-2008, 09:43 PM
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Air mass sensor??? For trans slipping??? The air mass sensor that's on the air horn for the air intake? How's that connected to the tranny? This is interesting!!! Tell me more!
Chad
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post #3 of 8 (permalink) Old 07-13-2008, 03:44 PM
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Chad, I sent you a personal e-mail on this mass sensor thing. I need to know if they are pulling the sheep over my wool.
Baaaaaaaaaaaaaaaa
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Air mass sensor??? For trans slipping??? The air mass sensor that's on the air horn for the air intake? How's that connected to the tranny? This is interesting!!! Tell me more!
Chad
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post #4 of 8 (permalink) Old 07-14-2008, 03:53 AM
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Originally Posted by standby View Post
Tranny slippage.............air mass censor was cleaned and tranny works fine now.
Bobo
Bobbbbo,

Are you sure they didn't slip you and the car a placebo?? The mind is a terrible thing to play around with. . .

Floyd
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post #5 of 8 (permalink) Old 07-14-2008, 09:48 AM
 
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Cool

Document ID: 1896948
--------------------------------------------------------------------------------

#04-07-30-013B: Info - Automatic Transmission Shift, Engine Driveability Concerns or Service Engine Soon (SES) Light On as a Result of the Use of an Excessively/Over-Oiled Aftermarket, Reusable Air Filter - (Feb 1, 2007)


Subject: Automatic Transmission Shift, Engine Driveability Concerns or Service Engine Soon (SES) Light On as a Result of the Use of an Excessively/Over-Oiled Aftermarket, Reusable Air Filter


Models: 2007 and Prior GM Cars and Light Duty Trucks

2007 and Prior Saturn Models

2003-2007 HUMMER H2

2006-2007 HUMMER H3



First, Inspect the vehicle for a reusable aftermarket excessively/over- oiled air filter
DO NOT repair MAF sensors under warranty if concerns result from the use of an excessively/over-oiled aftermarket, reusable air filter.


The use of an excessively/over-oiled aftermarket, reusable air filter may result in:

Service Engine Soon (SES) light on

Transmission shift concerns, slipping and damaged clutch(es) or band(s)

Engine driveability concerns, poor acceleration from a stop, limited engine RPM range

The oil that is used on these air filter elements may be transferred onto the Mass Air Flow (MAF) sensor causing contamination of the sensor. As a result, the Grams per Second (GPS) signal from the MAF may be low and any or all of the concerns listed above may occur.

When servicing a vehicle with any of these concerns, be sure to check for the presence of an aftermarket reusable, excessively/over- oiled air filter. The MAF, GPS reading should be compared to a like vehicle with an OEM air box and filter under the same driving conditions to verify the concern.

The use of an aftermarket reusable air filter DOES NOT void the vehicle's warranty.

If an aftermarket reusable air filter is used, technicians should inspect the MAF sensor element and the air induction hose for contamination of oil prior to making warranty repairs.

Transmission or engine driveability concerns (related to the MAF sensor being contaminated with oil) that are the result of the use of an aftermarket reusable, excessively/over-oiled air filter are not considered to be warrantable repair items.

GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.

WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION


2008 General Motors Corporation. All rights reserved.


Here you go Bob... I hope it helps.
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post #6 of 8 (permalink) Old 07-14-2008, 10:36 PM
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WOW!!! OK!!! Thanks Bruce again!!! That's an eye opener!
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post #7 of 8 (permalink) Old 07-15-2008, 07:59 PM
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Floyd , I still feel like I'm in the dark on this mass air flow sensor thing. Read Bruce's document. I didn't have excessive oil on my filters.
Is the mass air flow sensor the thing on the tube coming from the filters?
Bobo
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Bobbbbo,

Are you sure they didn't slip you and the car a placebo?? The mind is a terrible thing to play around with. . .

Floyd
post #8 of 8 (permalink) Old 07-15-2008, 08:02 PM
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Thanks Bruce, so I guess MAF sensor needed the cleaning
Bobo
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