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Old 05-03-2007, 03:45 PM   #1
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Location: Conway, SC
Posts: 23,296
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WORKHORSE CUSTOM CHASSIS SERVICE BULLETIN

BULLETIN NO: 60702-T April, 2007

BULLETIN TYPE: Technical

SUBJECT: Use of E85 fuels in Workhorse Custom Chassis Vehicles

MODELS: All models with Gasoline Engines

We have received information that some customers have been using E85 fuels in Workhorse Custom Chassis vehicles. None of the GM gasoline engines used in Workhorse Custom Chassis vehicles (built to the date of this bulletin) are designed to use E85 fuel.

Use of E85 fuels in Workhorse Custom Chassis vehicles can cause damage to engine and engine systems. Damage caused by E85 fuels is not covered by Workhorse Custom Chassis warranty. Dealers that see possible engine damage possibly caused by E85 fuel should contact TAC or their Regional Service Manager to review the case.

Attached are GM bulletins that apply to all gasoline engines used by Workhorse Custom Chassis. Customers need to be informed not to use E85 fuels in GM gasoline engines used in Workhorse Custom Chassis vehicles.

Subject: Use of E85 Fuels in Vehicles Not Certified As Being FlexFuel

Compatible/Aftermarket Conversion of Vehicles to Operate on E85 Fuels #06-06-04-035 - (07/13/2006)

Models:
2007 and Prior GM Passenger Cars and Trucks NOT FlexFuel (E85) Compatible (including Saturn)
2007 and Prior HUMMER H2, H3
2005-2007 Saab 9-7X

Aftermarket Conversions of Vehicles to Use E85 Fuels

General Motors has become aware of several companies that claim to be able to convert vehicles equipped with gasoline engines to be compatible with E85 Fuels. " Vehicles certified by GM as being FlexFuel (E85) compatible contain numerous calibration and component differences that are not conducive to an aftermarket retrofit.

<LI> General Motors DOES NOT support or endorse conversions that may alter the emissions and related emissions components of its vehicles.

<LI> Repairs that may result from changes to GM built components, and repairs that result from the use of improper fuel, such as the use of gasoline containing more than 10% Ethanol in a non-FlexFuel certified vehicle, are not covered under the terms of the New Vehicle Warranty.

Bulletin 05-06-04-035B Customer Interest in E85 Fuel Use

Subject: Usage of E85 Fuels in GM Vehicles #05-06-04-035B - (05/31/2006)

Years: 1997-2007 All GM Cars and Trucks

Models: All GM Corp. Vehicles & Commercial or Medium Duty Trucks

As the retail price of gasoline increases, some locations in the country are seeing price differentials between regular gasoline and E85 where E85 is selling for substantially less than regular grade gasoline. One result of this is that some customers have inquired if they are able to use E85 fuel in non-E85 compatible vehicles.

Important: Only vehicles designated for use with E85 should use E85 blended fuel.

E85 compatibility is designated for vehicles that are certified to run on up to 85% ethanol and 15% gasoline. All other gasoline engines are designed to run on fuel that contains no more than 10% ethanol.

Notice: containing greater than 10% ethanol in non-E85 designated vehicles can cause drivability issues, service engine soon indicators as well as increased fuel system corrosion. Using E85 in Non-Compatible Vehicles General Motors is aware of an increased number of cases where customers have fueled non-Flex Fuel designated vehicles with E85. Fueling non-Flex Fuel designated vehicles with E85, or with fuels where the concentration of ethanol exceeds the ASTM specification of 10%, will result in one or more of the following conditions:

1. Lean Drivability concerns such as hesitations, sags and / or possible stalling.
2. SES lights due to OBD codes.
3. Fuel Trim codes P0171 and / or P0174.
4. Misfire codes (P0300).
5. Various O2 sensor codes.
6. Disabled traction control or Stability System disabled messages.
7. Harsh / Firm transmission shifts.
8. Fuel system and / or engine mechanical component degradation.

Notice: Use of fuel containing greater than 10% ethanol in non-E85 designated vehicles can cause drivability issues, service engine soon indicators as well as increased fuel system corrosion. If the dealer suspects that a non-Flex Fuel designated vehicle brought in for service has been fueled with E85, the fuel in the vehicle's tank should be checked for alcohol content with tool J-44175. If the alcohol content exceeds 10%, the fuel should be drained and the vehicle refilled with gasoline - preferably one of the Top Tier brands.

Repairs to non-Flex Fuel vehicles that have been fueled with E85 are not covered under the terms of the New Vehicle Warranty. A complete list of GM's Flex Fuel vehicles can be found in this Service

Bulletin, or at www.livegreengoyellow.com
__________________

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Old 05-03-2007, 03:45 PM   #2
iRV2 Marketing
 
DriVer's Avatar
 
Winnebago Owners Club
Workhorse Chassis Owner
Coastal Campers
Carolina Campers
Join Date: Jan 2000
Location: Conway, SC
Posts: 23,296
Blog Entries: 70
WORKHORSE CUSTOM CHASSIS SERVICE BULLETIN

BULLETIN NO: 60702-T April, 2007

BULLETIN TYPE: Technical

SUBJECT: Use of E85 fuels in Workhorse Custom Chassis Vehicles

MODELS: All models with Gasoline Engines

We have received information that some customers have been using E85 fuels in Workhorse Custom Chassis vehicles. None of the GM gasoline engines used in Workhorse Custom Chassis vehicles (built to the date of this bulletin) are designed to use E85 fuel.

Use of E85 fuels in Workhorse Custom Chassis vehicles can cause damage to engine and engine systems. Damage caused by E85 fuels is not covered by Workhorse Custom Chassis warranty. Dealers that see possible engine damage possibly caused by E85 fuel should contact TAC or their Regional Service Manager to review the case.

Attached are GM bulletins that apply to all gasoline engines used by Workhorse Custom Chassis. Customers need to be informed not to use E85 fuels in GM gasoline engines used in Workhorse Custom Chassis vehicles.

Subject: Use of E85 Fuels in Vehicles Not Certified As Being FlexFuel

Compatible/Aftermarket Conversion of Vehicles to Operate on E85 Fuels #06-06-04-035 - (07/13/2006)

Models:
2007 and Prior GM Passenger Cars and Trucks NOT FlexFuel (E85) Compatible (including Saturn)
2007 and Prior HUMMER H2, H3
2005-2007 Saab 9-7X

Aftermarket Conversions of Vehicles to Use E85 Fuels

General Motors has become aware of several companies that claim to be able to convert vehicles equipped with gasoline engines to be compatible with E85 Fuels. " Vehicles certified by GM as being FlexFuel (E85) compatible contain numerous calibration and component differences that are not conducive to an aftermarket retrofit.

<LI> General Motors DOES NOT support or endorse conversions that may alter the emissions and related emissions components of its vehicles.

<LI> Repairs that may result from changes to GM built components, and repairs that result from the use of improper fuel, such as the use of gasoline containing more than 10% Ethanol in a non-FlexFuel certified vehicle, are not covered under the terms of the New Vehicle Warranty.

Bulletin 05-06-04-035B Customer Interest in E85 Fuel Use

Subject: Usage of E85 Fuels in GM Vehicles #05-06-04-035B - (05/31/2006)

Years: 1997-2007 All GM Cars and Trucks

Models: All GM Corp. Vehicles & Commercial or Medium Duty Trucks

As the retail price of gasoline increases, some locations in the country are seeing price differentials between regular gasoline and E85 where E85 is selling for substantially less than regular grade gasoline. One result of this is that some customers have inquired if they are able to use E85 fuel in non-E85 compatible vehicles.

Important: Only vehicles designated for use with E85 should use E85 blended fuel.

E85 compatibility is designated for vehicles that are certified to run on up to 85% ethanol and 15% gasoline. All other gasoline engines are designed to run on fuel that contains no more than 10% ethanol.

Notice: containing greater than 10% ethanol in non-E85 designated vehicles can cause drivability issues, service engine soon indicators as well as increased fuel system corrosion. Using E85 in Non-Compatible Vehicles General Motors is aware of an increased number of cases where customers have fueled non-Flex Fuel designated vehicles with E85. Fueling non-Flex Fuel designated vehicles with E85, or with fuels where the concentration of ethanol exceeds the ASTM specification of 10%, will result in one or more of the following conditions:

1. Lean Drivability concerns such as hesitations, sags and / or possible stalling.
2. SES lights due to OBD codes.
3. Fuel Trim codes P0171 and / or P0174.
4. Misfire codes (P0300).
5. Various O2 sensor codes.
6. Disabled traction control or Stability System disabled messages.
7. Harsh / Firm transmission shifts.
8. Fuel system and / or engine mechanical component degradation.

Notice: Use of fuel containing greater than 10% ethanol in non-E85 designated vehicles can cause drivability issues, service engine soon indicators as well as increased fuel system corrosion. If the dealer suspects that a non-Flex Fuel designated vehicle brought in for service has been fueled with E85, the fuel in the vehicle's tank should be checked for alcohol content with tool J-44175. If the alcohol content exceeds 10%, the fuel should be drained and the vehicle refilled with gasoline - preferably one of the Top Tier brands.

Repairs to non-Flex Fuel vehicles that have been fueled with E85 are not covered under the terms of the New Vehicle Warranty. A complete list of GM's Flex Fuel vehicles can be found in this Service

Bulletin, or at www.livegreengoyellow.com
__________________
03 Adventurer 38G, Workhorse W22
F&R Track Bars, Safety+ , Ultrapower, Taylor Extremes, SGII
TST 507, Blue Ox, SMI, Koni FSD, CrossFire
RV/MH Hall of Fame - Lifetime Member
DriVer is offline  
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