W 250 Pickup V8-5.9L VIN Z (1991)
Fig 13 Installing Piston Dust Boot (Typical)
4. Install in caliper by working into outer groove, using fingers only.
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Boot will seem larger than diameter of groove, but will snap into place when properly positioned in groove.
4. Plug hydraulic fluid inlet to piston and bleeder screw hole, then coat piston with brake fluid.
5. With fingers spreading boot, work piston into boot and press down on piston.
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The entrapped air below piston will force boot around piston and into its groove as piston is depressed.)
Fig 14 Installing Piston Through Boot (Typical)
6. Remove plug, then carefully push piston down the bore until bottomed.
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Force must be applied uniformly to avoid cocking piston.
Chrysler Disc System -- Type 2
