Skylark L4-138 2.3L DOHC VIN D MFI QUAD 4 (1989)
Backing Plate: Testing and Inspection
Inspect backing plate shoe contact surface for grooves that may restrict shoe movement. If grooves cannot be removed by lightly sanding with emery
cloth or other suitable abrasive, replace backing plate. Also inspect for signs of cracks, warpage and excessive rust, indicating need for replacement.
