FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Home >> Freightliner Truck >> 2006 >> Sprinter 3500 L5-2.7L DSL Turbo >> Repair and Diagnosis >> Restraints and Safety Systems >> Seat Belt Systems >> Seat Belt Retractor >> Service and Repair >> Front

Front

FRONT SEAT BELT & RETRACTOR

WARNING:
- TO AVOID PERSONAL INJURY OR DEATH, ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE SUPPLEMENTAL RESTRAINT SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, AIRBAG, SEAT BELT TENSIONER, IMPACT SENSOR, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE SUPPLEMENTAL RESTRAINT SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT.
- TO AVOID PERSONAL INJURY OR DEATH, DURING AND FOLLOWING ANY SEAT BELT SERVICE, CAREFULLY INSPECT ALL SEAT BELTS, BUCKLES, MOUNTING HARDWARE, RETRACTORS, AND ANCHORS FOR PROPER INSTALLATION, OPERATION, OR DAMAGE. REPLACE ANY BELT THAT IS CUT, FRAYED, OR TORN. STRAIGHTEN ANY BELT THAT IS TWISTED. TIGHTEN ANY LOOSE FASTENERS. REPLACE ANY BELT THAT HAS A DAMAGED OR INOPERATIVE BUCKLE OR RETRACTOR. REPLACE ANY BELT THAT HAS A BENT OR DAMAGED LATCH PLATE OR ANCHOR PLATE. NEVER ATTEMPT TO REPAIR A SEAT BELT COMPONENT. ALWAYS REPLACE DAMAGED OR FAULTY SEAT BELT COMPONENTS WITH THE CORRECT, NEW AND UNUSED REPLACEMENT PARTS LISTED IN THE DAIMLERCHRYSLER MOPAR PARTS CATALOG.

REMOVAL
The following procedure is for replacement of a faulty or damaged front seat belt and retractor unit, which includes a seat belt tensioner for the driver side as standard equipment. Vehicles equipped with an optional passenger airbag also have a seat belt tensioner for the passenger side. If the seat belt or retractor is faulty or damaged, but the seat belt tensioner is not deployed, review the recommended procedures for handling non-deployed supplemental restraints. If the seat belt tensioner has been deployed, review the recommended procedures for service after a supplemental restraint deployment before removing the front seat belt and retractor from the vehicle.


1. Move the front seat to its most forward position for easiest access to the B-pillar trim.
2. Disconnect and isolate the battery negative cable. Wait two minutes for the system capacitor to discharge before further service.

Front Seat Belt Lower Anchor:




3. If the vehicle is so equipped, unsnap and remove the plastic cover from the screw that secures the front seat belt lower anchor to the outboard side of the seat frame.
4. Remove the screw that secures the front seat belt lower anchor to the outboard side of the seat frame.
5. Remove the front seat belt lower anchor from the outboard side of the seat frame.
6. Remove the trim panel from the inside of the B-pillar.

Turning Loop Height Adjuster:




7. Pull the height adjuster trim away from the upper B-pillar to disengage the driver from the lug of the height adjuster.
8. Pull the front seat belt and lower anchor through the back of the height adjuster trim.

Front Seat Belt Turning Loop:




9. Remove the nut that secures the front seat belt turning loop to the height adjuster.
10. Remove the front seat belt turning loop from the height adjuster.

CAUTION: Do not pull on the wires to disengage the connector from the seat belt tensioner initiator connector receptacle. Improper removal of the connector insulator can result in damage to the seat belt tensioner circuits or the connector insulator.

Front Seat Belt Retractor:




11. If so equipped, disconnect the vehicle wire harness connector for the seat belt tensioner from the initiator receptacle of the retractor located on the lower inner B-pillar. The connector is a tight snap-fit into the initiator receptacle. Firmly grasp and pull or gently pry on the connector insulator and pull the connector straight out from the initiator to disconnect it from the receptacle.
12. Remove the screw that secures the front seat belt retractor to the lower inner B-pillar.
13. Remove the front seat belt and retractor unit from the B-pillar.

INSTALLATION
The following procedure is for replacement of a faulty or damaged front seat belt and retractor unit, which includes a seat belt tensioner for the driver side as standard equipment. Vehicles equipped with an optional passenger airbag also have a seat belt tensioner for the passenger side. If the seat belt or retractor is faulty or damaged, but the seat belt tensioner is not deployed, review the recommended procedures for handling non-deployed supplemental restraints. If the seat belt tensioner has been deployed, review the recommended procedures for service after a supplemental restraint deployment before removing the front seat belt and retractor from the vehicle.

1. Position the front seat belt and retractor to the lower inner. Be certain to engage the guide on the retractor into the locating notch on the B-pillar.
2. Install and tighten the screw that secures the front seat belt retractor to the lower inner B-pillar. Tighten the screw to 35 Nm (26 ft. lbs.).
3. If so equipped, reconnect the vehicle wire harness connector for the seat belt tensioner to the initiator receptacle of the retractor located on the lower inner B-pillar. The connector is a tight snap-fit into the initiator receptacle. Reconnect the connector by pressing the connector insulator straight into the initiator receptacle. You can be certain that the connector is fully engaged by listening carefully for a distinct, audible click as the connector snaps into place.
4. Position the front seat belt turning loop onto the height adjuster on the upper B-pillar.
5. Install and tighten the nut that secures the front seat belt turning loop to the height adjuster. Tighten the nut to 35 Nm (26 ft. lbs.).
6. Route the front seat belt and lower anchor through the back of the height adjuster trim.
7. Position the height adjuster trim to the upper B-pillar so that the driver on the back of the trim engages the lug of the height adjuster.
8. Reinstall the trim panel onto the inside of the B-pillar.
9. Position the front seat belt lower anchor to the outboard side of the seat frame.
10. Install and tighten the screw that secures the front seat belt lower anchor to the outboard side of the seat frame. Tighten the screw to 35 Nm (26 ft. lbs.).
11. If the vehicle is so equipped, snap the plastic cover over the screw that secures the front seat belt lower anchor to the outboard side of the seat frame.
12. Do not reconnect the battery negative cable at this time. The supplemental restraint system verification test procedure should be performed following service of any supplemental restraint system component.
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