GMC Yukon XL 2000–2006
Common on this vehicle:LeakSmoke or fireStalls or shuts off
issueEngine fuel rail crossover tube retainer screws may break (5.3L RPO L59) - recall 04V-376Remove
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Component named as the cause
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Known issuesEngine fuel rail crossover tube retainer screws may break (5.3L RPO L59) - recall 04V-3762
Recall2005 GMC YUKON XL ・ 2004-02-08
Engine Fuel Rail Crossover Tube Retainer Screws
1Fault
- The engine fuel rail crossover tube retainer screws were not made to specification and may break; if one breaks, fuel could leak from the crossover joint, the engine may stall, and with an ignition source an engine compartment fire could occur.
2Finding the cause
Possible causes
- The failed screw was harder than specification; the over-hardening came from a conveyor in an induction hardening operation at the fastener plant stopping or slowing excessively, exposing the screws to the hardening for too long.
Steps to confirm (in the document’s order)
- Inspect for blue or green paint dots on the fuel rail crossover tube assembly or on the throttle body; if there are any, go to step 13.
3Correction
Repair
- Hold the fuel crossover tube retainer to the bracket on the fuel rail with locking pliers, using enough force to keep the retainer from moving without damaging any parts.
- Remove the fuel rail crossover tube bracket retainer screw on one side and dispose of it properly.
- Take the new screws out of the retainer kit (P/N 89017590) and discard the retainer brackets left in the kit.
- Start the new screw by hand for at least 3 full turns into the fuel rail crossover tube retainer bracket.
- Torque the screw to 4.8Nm (42 lb in).
3 more pointsPart numbers printed in the document
The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.
Parts
- Part number 89017590, RETAINER KIT, F/INJN FUEL RL C/OVR TUBE, quantity 1 per vehicle.
Part numbers printed in the document
The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.
Caution
- Do not remove the crossover tube from the fuel rail or disturb the o-ring seal, because a fuel leak may result.
- The service procedure in this recall differs from the one in the service manual.
Read the sentences of the record
From the manufacturer’s document
- Applies to:The recall covers certain 2005 Chevrolet Silverado, Tahoe and Suburban and GMC Sierra, Yukon and Yukon XL vehicles equipped with a 5.3L (RPO L59) E85 V8 engine and built within the listed VIN breakpoints.
- Condition:The engine fuel rail crossover tube retainer screws were not made to specification and may break; if one breaks, fuel could leak from the crossover joint, the engine may stall, and with an ignition source an engine compartment fire could occur.
- Cause:The failed screw was harder than specification; the over-hardening came from a conveyor in an induction hardening operation at the fastener plant stopping or slowing excessively, exposing the screws to the hardening for too long.
- Confirm:Inspect for blue or green paint dots on the fuel rail crossover tube assembly or on the throttle body; if there are any, go to step 13.
- Caution:Do not remove the crossover tube from the fuel rail or disturb the o-ring seal, because a fuel leak may result.
- Caution:The service procedure in this recall differs from the one in the service manual.
- Repair:Hold the fuel crossover tube retainer to the bracket on the fuel rail with locking pliers, using enough force to keep the retainer from moving without damaging any parts.
- Repair:Remove the fuel rail crossover tube bracket retainer screw on one side and dispose of it properly.
- Parts:Part number 89017590, RETAINER KIT, F/INJN FUEL RL C/OVR TUBE, quantity 1 per vehicle.
- Repair:Take the new screws out of the retainer kit (P/N 89017590) and discard the retainer brackets left in the kit.
- Repair:Start the new screw by hand for at least 3 full turns into the fuel rail crossover tube retainer bracket.
- Repair:Torque the screw to 4.8Nm (42 lb in).
- Repair:Check that the retainer is seated and not loose by trying to wiggle it slightly; it should not move. Then re-torque the screw to 4.8Nm (42 lb in).
- Repair:Repeat steps 5 through 10 on the other side of the crossover tube.
- Repair:Check for leaks: ignition ON with the engine OFF for 2 seconds, ignition OFF for 10 seconds, ignition ON with the engine OFF, then visually inspect for fuel leaks.
- Cause
- ON CERTAIN SPORT UTILITY VEHICLES AND PICKUP TRUCKS EQUIPPED WITH 5.3L (RPO L59) V8 ENGINES, THE ENGINE FUEL RAIL CROSSOVER TUBE RETAINER SCREWS WERE NOT MANUFACTURED TO SPECIFICATIONS AND MAY BREAK.
- Remedy
- DEALERS WILL INSPECT THE FUEL RAIL CROSSOVER TUBE AND, IF NECESSARY, REPLACE THE RETAINER SCREWS. OWNERS WERE NOTIFIED BY TELEPHONE ON JULY 30, 2004, WITH A FOLLOWUP OWNER LETTER BEGAN AUGUST 5, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463. NOTE: THE GM BULLETIN LISTS THE TAHOE AND YUKON MODELS BECAUSE CANADIAN VEHICLES ARE INCLUDED IN THE BULLETIN. NO U.S. TAHOE OR YUKON VEHICLES ARE INCLUDED IN THE U.S. CAMPAIGN.
- Consequence
- IF THE TUBE RETAINER SCREW BREAKS, FUEL COULD LEAK FROM THE FUEL RAIL CROSSOVER JOINT, THE ENGINE MAY STALL AND, IF AN IGNITION SOURCE WERE PRESENT, AN ENGINE COMPARTMENT FIRE COULD OCCUR.
Recall2005 GMC YUKON XL ・ 2004-08-05
Fuel Rail Crossover Tube Retainer Screws Recall
1Fault
2Finding the cause
3Correction
Not stated
What the documents say to do
Engine fuel rail crossover tube retainer screws may break (5.3L RPO L59) - recall 04V-376Confirm
- Check for leaks: ignition ON with the engine OFF for 2 seconds, ignition OFF for 10 seconds, ignition ON with the engine OFF, then visually inspect for fuel leaks.
Repair
- Dealers inspect the fuel rail crossover tube and replace the retainer screws if necessary.
- Hold the fuel crossover tube retainer to the bracket on the fuel rail with locking pliers, using enough force to keep the retainer from moving without damaging any parts.
Caution
- The GM bulletin lists Tahoe and Yukon models because Canadian vehicles are included in the bulletin.
Read the sentences of the record
- Cause
- On certain vehicles, the fuel rail crossover tube retainer screws were not manufactured to specifications and may break. If a tube retainer screw breaks, fuel could leak from the fuel rail crossover joint, the engine may stall and, if an ignition source were present, an engine compartment fire could occur. Correction: Dealers will inspect the fuel rail crossover tube assembly and, if necessary, replace the two tube retainer screws.
