E 450 V10-6.8L (2008)
Seat Belt Retractor: Testing and Inspection
Functional Test - Retractor
The safety belt and retractor assembly must be freely operational for extraction and retraction of the safety belt webbing between full extension and
in-vehicle stowed positions.
1. Extract and retract the safety belt between the full extension and stowed positions.
2. Verify the retractor operates without excessive effort or binding.
3. Install a new safety belt buckle retractor and tongue assembly if no obvious concerns are noticed and the complaint has been verified.
Functional Test - Automatic Locking Retractor
1. Position the seat back (if adjustable) into the full up position.
2. Position the height adjuster (if equipped) in the full down or up position.
3. Latch the seat belt buckle and tongue assembly.
4. Pull the shoulder belt out until the automatic locking retractor (ALR) feature is activated.
5. Release the shoulder belt and allow it to retract until it stops.
6. Pull on the shoulder belt to check that the belt has remained in the ALR mode. If the belt is not locked, install a new safety belt and retractor
assembly.
7. Unlatch the safety belt tongue from the buckle and allow the safety belt to retract to its stowed position.
8. Pull the shoulder belt to verify the retractor assembly has converted automatically out of the ALR mode. If the shoulder belt remains locked in the
stowed position, install a new safety belt and retractor assembly.