Cutlass L4-138 2.3L VIN A FI HP (1990)
1.
Lower front door window glass and remove plastic shoulder belt guide loop plug cover, nut and rubber washer. DO NOT USE POWER TOOLS
TO REMOVE GUIDE LOOP NUT.
2.
Pull guide loop outside of the vehicle and place in the Magnetic Inspection/Drilling Fixture J 39425-4 (see View A). Use "MAGNETIC
INSPECTION" side of fixture for this step.
3.
Apply a small amount of Crack Detection Powder (metal dust) to the guide loop (see View B).
4.
With the guide loop still in the fixture, gently shake the fixture (and the dust) from side to side to highlight any possible crack.
5.
Inspect the guide loop for cracks. If the guide loop is cracked, metal dust will have been drawn to the crack line (see Views C & D on page 3,
