CAMPAIGN: FRONT AND REAR A/C SYSTEM MISBUILD
SUBJECT: FRONT AND REAR A/C SYSTEM MISBUILD
MODELS: 1995 2WD SUBURBANS WITH REAR A/C (C69) BUILT IN MEXICO
General Motors has determined that CERTAIN early built 1995 2WD Suburbans with front and rear air conditioning system (C69) may have an extra orifice metering device installed in the A/C condenser that was not specified. This extra orifice will cause increased head pressures resulting in decreased cooling capability and reduced A/C compressor durability.
To correct this condition, dealers will remove the additional orifice metering device and recharge the air conditioning system.
VEHICLES INVOLVED
Involved are CERTAIN 1995 2WD Suburbans with front and rear air conditioning systems (C69). The involved VINs are listed below:
DEALER VIN CODE --- ------ 3GKEC16K8SG500339 48-18262 3GKEC16K1SG500134 48-21002 3GKEC16K5SG500332 48-21053 3GKEC16K1SG500375 48-21121 3GKEC16KXSG500326 48-21180 3GKEC16K9SG500124 48-26520 3GKEC16K5SG500265 48-26683 3GKEC16K4SG500127 48-30099 3GKEC16K1SG500151 48-30410 3GKEC16K2SG500269 48-30640 3GKEC16K6SG500047 48-40003 3GKEC16K8SG500227 48-40216
DEALER VIN CODE --- ------ 3GKEC16K4SG500225 48-40480 3GKGC26N4SG500458 48-40490 3GKEC16K8SG500244 48-40533 3GKEC16K0SG500240 48-40576 3GKEC16K7SG500137 48-42004 3GKEC16K2SG500238 48-42009 3GKEC16K3SG500233 48-42048 3GKGC26N5SG500453 48-42067 3GKEC16K1SG500229 48-42102 3GKEC16K0SG500142 48-42207 3GKEC16K4SG500449 48-42278 3GKEC16K2SG500370 48-42298
DEALER VIN CODE
3GKEC16KXSG500164 48-42302 3GKEC16K7SG500235 48-44077 3GKEC16K5SG500153 48-44106 3GKEC16KXSG500251 48-44161 3GKEC16KXSG500259 48-44478 3GKEC16K0SG500139 48-44590 3GKEC16K1SG500148 48-44606 3GKEC16K8SG500373 3GKEC16K7SG500123 48-47046 3GKEC16K6SG500131 48-47067 3GKEC16K4SG500323 48-47079 3GKEC16K4SK500063 48-47085 3GKEC16K9SG500348 48-47119 3GKEC16K6SG500209 48-47193 3GKEC16K2SG500126 48-47277 3GKEC16K3SG500345 48-47281 3GKEC16KXSG500150 48-47455 3GKEC16K8SG500180 48-47458 3GKEC16K4SG500340 48-47561 3GKEC16K3SG500135 48-47609 3GKEC16K5SG500136 48-47627 3GKEC16KXSG500231 48-47635 3GKEC16K3SG500359 3GKEC16K0SG500187 48-47663 3GKEC16K2SG500174 3GKEC16K8SG500132 3GKEC16KXSG500441 48-47997 3GKEC16K6SG500078 3GKEC16K6SG500307 3GKEC16K0SG500318 48-50152 3GKEC16K4SG500239 48-51024 3GKEC16K3SG500331 48-51031 3GKGC26K9SG500316 3GKGC26K2SG500058 48-51007 3GKEC16K0SG500321 48-51045 3GKEC16K5SG500198 48-51048 3GKEC16K7SG500154 48-51191
DEALER VIN CODE --- ------ 3GKEC16K1SG500053 48-51196 3GKEC16K4SG500130 3GKEC16K5SG500346 48-51213 3GKEC16K1SG500344 48-51215 3GKEC16K4SG500306 48-51218 3GKEC16K9SG500303 48-51265 3GKEC16K4SG500158 48-51279 3GKEC16K4SG500242 3GKGC26K0SG500236 3GKGC26K0SG500253 3GKGC26K3SG500196 3GKGC26K5SG500183 3GKGC26K6SG500189 3GKEC16K6SG500372 48-51282 3GKEC16K0SG500044 48-51304 3GKEC16K9SG500155 48-53051 3GKEC16K7SG500347 48-53109 3GKEC16K1SG500319 48-53185 3GKEC16K1SG500277 48-53496 3GDEC16K4SG500278 48-56111 3GDEC16K8SG500364 48-56118 3GDEC16K3SG500062 48-56133 3GDEC16K4SG500166 3GDEC16K1SG500366 48-56134 3GDEC16K7SG500355 3GDEC16K3SG500076 48-56140 3GDEC16K5SG500368 3GDEC16K0SG500343 48-56145 3GDEC16K3SG500336 3GDEC16K9SG500230 48-56590 3GKEC16K8SG500325 48-56791 3GDEC16KXSG500169 48-56945 3GDEC16K0SG500276 3GDEC16K0SG500360 3GDEC16K4SG500328 3GKEC16K7SG500302 48-61776
The specific vehicles involved in this campaign have been identified by Vehicle Identification Number (VIN) Computer Listings. These listings are furnished to all involved dealers with the campaign bulletin. Dealers should confirm vehicle eligibility through VISS (Vehicle Information Service System) or SERVICENET prior to beginning campaign repairs.
DEALER CAMPAIGN RESPONSIBILITY
All unsold vehicles in dealers' possession and subject to this campaign MUST be held and inspected/repaired per the service procedure of this campaign bulletin BEFORE owners take possession of these vehicles.
Dealers are to service all vehicles subject to this campaign at no charge to owners, regardless of mileage, age of vehicle, or ownership, from this time forward.
Owners of vehicles recently sold from your vehicle inventory are to be contacted by the dealer and arrangements made to make the required correction according to instructions contained in this bulletin.
In summary, whenever a vehicle subject to this campaign enters your vehicle inventory, or is in your dealership for service in the future, please take the steps necessary to be sure the campaign correction has been made before selling or releasing the vehicle.
If the name and address of the owner of an involved vehicle was unavailable to GMC Truck Division at the time of campaign initiation, the dealer must determine the owner's name and address from the dealership sales records. Please provide this information directly on the second copy of the listing next to the applicable VIN so that our records may be updated and the appropriate notification mailed to the owner. This second copy should then be submitted to the address listed below in the previously supplied yellow campaign envelopes.
GMC Truck Division General Motors Corporation 101 Union Street Plymouth, Michigan 48170
OWNER NOTIFICATION
Owners will be notified of this campaign on their vehicles by GMC Truck Division (see copy of owner letter included with this bulletin). A listing of owner names and addresses has been furnished to the involved dealers to enable dealers to follow up with owners involved in this campaign. This listing may contain owner names and addresses obtained from State Motor Vehicle Registration records. The use of such motor vehicle registration data for any other purpose is a violation of law in several states. Accordingly, you are urged to limit the use of this listing to this campaign.
SERVICE PROCEDURE
1. Proceed with refrigerant recovery and recycling procedures to discharge the entire system. Use J39500 or equivalent recycling and recharging equipment.
2. Remove grille to gain access to condenser.
3. Disconnect the condenser outlet tube and hose fitting joint (Figure 1).
4. Remove orifice from the condenser outlet tube.
5. Remove and discard the 0-ring and replace with a new 0-ring P/N 52454645. Use lubricant mineral oil lubricant P/N 5416939 to lubricate the 0-ring prior to installing it on the liquid line. If during evacuation, oil was recovered from the system, replace the exact amount removed with PAG oil P/N 12345923. Pour the replacement oil into the condenser outlet tube before reconnecting the condenser.
6. Reconnect the condenser outlet tube fitting and torque to 27.5 Nm +/- 3 Nm or 20.28 lb. ft. Use back up wrench to prevent tube or brazed fitting damage.
7. Completely evacuate and recharge the vehicle with R134A refrigerant. Recommended charge for a Suburban with C69 rear air conditioning is 1.8kg +/-.056kg or 4.0 lb +/- 2 oz.
8. Leak check the condenser outlet tube fitting.
9. Install grille.
10. Install Campaign Identification Label.
PARTS INFORMATION
Parts are to be obtained from General Motors Service Parts operation (GMSPO). To ensure parts are obtained as soon as possible, order them from GMSPO on a C.I.O. order with no special instruction code but order under an advise code (2). All Goodwrench Parts System test dealers should order on a "VIP" order.
Part Number Description Quantity
12345922 R134A Refrigerant 4 Lbs. 12345923 PAG Oil As Required 5416939 Mineral Oil As Required 52454645 0-Ring 1
WARRANTY INFORMATION
Dealers should submit a warranty claim on each vehicle completed under this campaign.
Labor Operation *Time Cause Number Description Allowance Code -------------------------------------------------------------------- V9655 Remove Orifice Tube Recover and 1.2 96 Recharge Refrigerant
* For dealer to receive Administrative Time Allowance associated with this campaign, add 0.1 hour to the Labor Operation Time Allowance.
CAMPAIGN IDENTIFICATION LABEL
Each vehicle corrected in accordance with the instructions outlined in this product campaign bulletin will require a "Campaign Identification Label." Each label provides a space to include the campaign number and five (5) digit dealer code of the dealer performing the campaign service. This information must be inserted with a typewriter or ball point pen. This label is to be used in conjunction with the clear protective plastic cover provided with the Campaign Identification Labels.
Each "Campaign Identification Label" is to be located on the radiator core support in an area which will be visible when the vehicle is brought in for periodic servicing by the owner.
Apply "Campaign Identification Label" only on a clean, dry surface.
Additional Campaign Identification Labels and covers are available in sheets of 49 by calling VISPAC, Incorporated at 1-800-269-5100 (Monday through Friday 8:00 AM to 4:30 PM EST).
ADMINISTRATIVE PROCEDURE
Procedures covering this campaign are outlined in Section V of your dealership's "GMC Truck Warranty Claims Processing Manual" #P9119 Rev. 2/94.
Dear GMC Truck Customer:
As a valued customer, your complete satisfaction with your GMC truck is our goal. In keeping with this goal, we want to let you know that we have discovered a problem that could affect your vehicle and we want to take care of it at no charge to you.
On a number of 1995 2WD Suburbans with front and rear air conditioning systems, such as yours, there may have been an extra orifice metering device installed in the air conditioning condenser that was not specified. This extra orifice may cause increased head pressure resulting in decreased cooling capability and reduced air conditioning compressor durability.
To be absolutely sure that your vehicle is to specifications, we will remove the additional orifice metering device and recharge the air conditioning system.
Instructions for performing this service have been sent to your GMC Truck dealer, and parts are available. Please contact your GMC Truck dealer to arrange a service date as soon as possible. This procedure will take about 1 hour and 15 minutes to complete, but you should ask how much additional time your dealer will need to schedule and process your vehicle.
The enclosed postage paid owner reply card identifies your vehicle. Presentation of this card to your dealer will assist in making the necessary correction to your vehicle in the shortest possible time. If you have sold or traded your vehicle, please furnish us the complete name and address of the person you sold or traded your vehicle to and retum the card to us.
We are sorry to cause you this inconvenience; however, we have taken this action in the interest of your continued satisfaction with our product.
GMC TRUCK DIVISION General Motors Corporation
General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those 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 a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.
