Caliper-Rear Disc Brake, Piston And Seal

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Always have clean hands when assembling a brake caliper.

NOTE: Always use fresh, clean brake fluid when assembling a brake caliper.

Fig 1: Installing Rear Caliper Piston Seal

Courtesy of CHRYSLER LLC

CAUTION: Never use an old piston seal.

Dip the NEW piston seal in clean brake fluid and install it in the groove (2) of the caliper bore. The seal (1) should be started at one area of the groove and gently worked around and into the groove using only finger pressure to seat it.

Fig 2: Installing Boot on Caliper Piston
Courtesy of CHRYSLER LLC
Coat the inside of the NEW piston dust boot with clean brake fluid.
Install the dust boot (1) over the piston (2) and into the groove at the top of the piston. Stretch the boot downward, straightening the folds, then move it back upward. Repeat as necessary until the all the folds snap uniformly into place.

Fig 3: Install Piston Into Caliper
Courtesy of CHRYSLER LLC

CAUTION: Force applied to the piston to seat it in the bore must be applied uniformly to avoid cocking and binding of the piston.
Install the piston (1) into the caliper (2) by pushing it past the piston seal until it bottoms in the caliper bore.

Fig 4: Installing Dust Boot In Caliper
Courtesy of CHRYSLER LLC
Position the dust boot in the top of the counterbore of the caliper piston bore.
Using a hammer with Installer (2), Special Tool C-4689, and Handle (1), Special Tool C-4171, drive the boot into the counterbore of the caliper (3).
Install the caliper on the vehicle and bleed the brakes as necessary. See INSTALLATION .