K 1500 Suburban 4WD V8-6.5L DSL Turbo VIN F (1999)
5.2.
Install a new standard size key without the spring.
5.3.
Install the key retention bolt.
5.4.
Insert a screw driver into the center of the key bumper gap (1).
5.5.
Pry the screw driver firmly into the center of the key bumper gap to ensure that the caliper is sifting at the surfaces.
5.6.
Measure the bumper gap with the largest feeler gauge that will fit into the gap on either side of the screw driver.
5.7.
Based on the bumper gap measurement, select a shim.
6. Replace the caliper by performing the following steps.
6.1.
Remove the caliper from the anchor plate.
6.2.
Install the shim on the anchor plate V-way opposite from the key and the spring V-way.
6.3.
Install the caliper using a new key and a new spring.
7. Remeasure the bumper gap. Install a thicker shim or replace the components if the gap exceeds 1.50 mm (0.058 inch).
