Interesting PI: Launch Control
Interesting PI: Launch Control
While it's not about the Cobalt I think we can all see where GM is going with this .......
Service Information
Document ID: 2482989
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#PIP4800: Intermittent Clutch Pedal Low Or Sticks To The Floor - (Jun 1, 2010)
Subject: Intermittent Clutch Pedal Low Or Sticks To The Floor
Models: 2010 Chevrolet Camaro
Equipped With The V8 6.2L Engine and 6-Speed Manual Transmission RPO LS3 And M10
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The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Customers may comment that the clutch pedal intermittently sticks to the floor or the pedal stays low during hard acceleration from a stop or during a shift. This condition may be difficult to duplicate and may only be noticed when using launch control mode.
Recommendation/Instructions:
This may be the result of the clutch pedal being released too slowly during launch control mode allowing the clutch to slip. This condition can overheat the clutch and deform the pressure plate. Please notify the customer when using the launch control mode, the clutch pedal should be released quickly to avoid overheating the clutch.
Note: Be advised that failures of this nature are generally caused from improper use of the launch control mode by the customer. They are NOT defects in materials or workmanship for which General Motors would be responsible for and should not be covered under the terms of the new vehicle warranty. Vehicles with this complaint should be inspected by your service manager and Fixed Operations Manager (Warranty Manager in Canada).
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
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
Service Information
Document ID: 2482989
--------------------------------------------------------------------------------
#PIP4800: Intermittent Clutch Pedal Low Or Sticks To The Floor - (Jun 1, 2010)
Subject: Intermittent Clutch Pedal Low Or Sticks To The Floor
Models: 2010 Chevrolet Camaro
Equipped With The V8 6.2L Engine and 6-Speed Manual Transmission RPO LS3 And M10
--------------------------------------------------------------------------------
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Customers may comment that the clutch pedal intermittently sticks to the floor or the pedal stays low during hard acceleration from a stop or during a shift. This condition may be difficult to duplicate and may only be noticed when using launch control mode.
Recommendation/Instructions:
This may be the result of the clutch pedal being released too slowly during launch control mode allowing the clutch to slip. This condition can overheat the clutch and deform the pressure plate. Please notify the customer when using the launch control mode, the clutch pedal should be released quickly to avoid overheating the clutch.
Note: Be advised that failures of this nature are generally caused from improper use of the launch control mode by the customer. They are NOT defects in materials or workmanship for which General Motors would be responsible for and should not be covered under the terms of the new vehicle warranty. Vehicles with this complaint should be inspected by your service manager and Fixed Operations Manager (Warranty Manager in Canada).
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
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
The next one will be "cracked tranny resulting from incorrect use of launch control". The PI is worded "the clutch pedal should be ]b]released quickly]/b] to avoid overheating the clutch"....they forgot the word "controlled"
LS1 F-bodies suffered from this same issue way back when there was no such thing as launch control. It's the crappy GM hydraulics that cause it. The way to fix it back then was the "drill out mod". You basically drill the restriction out of the factory hydraulic clutch line and it fixes the issue. That being said I have never had a problem on my Cobalt or my Firebird. Of course the stock hydraulics on the Firebird are long gone.
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