Condition | Possible Sources | Actions |
|---|---|---|
The safety belt tongue is rotated on the safety belt webbing | Twisted or incorrectly routed safety belt webbing | REFER to: Seatbelt Tongue Rotated On Belt (501-20A Seatbelt Systems, General Procedures). |
The safety belt webbing is twisted at the safety belt guide | Twisted or incorrectly routed safety belt webbing | REFER to: Seatbelt Twisted at the Seatbelt Guide (501-20A Seatbelt Systems, General Procedures). |
The safety belt webbing is dirty or soiled | Dirty or soiled safety belt webbing | REFER to: Seatbelt Cleaning (501-20A Seatbelt Systems, General Procedures). |
Functional Test - Safety Belt Buckle and Tongue
NOTE: Make sure the safety belt buckle and tongue assembly operate freely during the latching and unlatching function. Fasten the safety belt by inserting the tongue (male portion) into the buckle (female portion).
1. Verify the following during the latching sequence:
Tongue insertion does not require excessive effort. A click is heard when the safety belt buckle latches the tongue.
2. Verify the system integrity by forcefully pulling on the safety belt webbing.
3. Unlatch the safety belt by fully pressing the safety belt buckle release button and allowing the safety belt to release and retract.
4. Verify the following during the unlatching process:
Pressing the push button does not require excessive effort. The tongue can be removed easily from the buckle.
5. Repeat the above steps 3 times.
6. If the functional test reveals a concern(s), install a new safety belt buckle or safety belt retractor as required.
Functional Test - Safety Belt Retractor
NOTE: Make sure the safety belt retractor is 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 safety belt retractor operates without excessive effort or binding.
3. Install a new safety belt retractor if any concern is found or the complaint has been verified.
Functional Test - Safety Belt Retractor, Automatic Locking Retractor (ALR) Mode
1. Position the seat backrest fully upright (if adjustable).
2. Position the safety belt shoulder height adjuster (if equipped) in the full down or up position.
3. Fasten the safety belt.
4. Pull out the safety belt webbing until the Automatic Locking Retractor (ALR) feature is activated.
5. Allow the safety belt webbing to retract until it stops.
6. Pull on the safety belt webbing to make sure the safety belt retractor has remained in the Automatic Locking Retractor (ALR) mode. If the safety belt retractor is not locked, install a new safety belt retractor.
7. Unfasten the safety belt and allow the safety belt webbing to retract to its stowed position.
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.