Bench Bleeding Master Cylinder
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CAUTION:
When clamping the master cylinder in a vise for bleeding, carefully tighten the vise just enough to hold the master cylinder from moving. Excessive pressure can damage the master cylinder.
- Clamp master cylinder in a vise.
- Attach special tools for bleeding master cylinder in the following fashion:
- For non-ABS master cylinder, thread one Adapter, Special Tool (8822-2), into each outlet port. Tighten adapters to specification, see TORQUE SPECIFICATIONS .
- For ABS master cylinders, thread one Adapter, Special Tools (8822-2), into each outlet port and one Adapter, Special Tool (8822-2), into the secondary outlet port. Tighten adapters to specification, see TORQUE SPECIFICATIONS .
- Thread one Bleeder Tube, Special Tool (8358-1), into each Adapter. Tighten each tube to specification, see TORQUE SPECIFICATIONS . Flex bleeder tubes and place open ends into mount of fluid reservoir as far down as possible.
- Fill reservoir with Mopar® Brake Fluid or equivalent conforming to DOT 3 specifications. Make sure fluid level is above tips of bleeder tubes in reservoir.
- Using a wooden dowel as pushrod, slowly depress master cylinder pistons, then release pressure, allowing pistons to return to released position. Repeat several times until all air bubbles are expelled. Make sure fluid level stays above tips of bleeder tubes in reservoir while bleeding.
- Remove bleeding tubes. Plug outlets and install filler cap.
- Remove master cylinder from vise and install on power brake booster. See MASTER CYLINDER under REMOVAL & INSTALLATION.
NOTE:
The master cylinder outlet ports use ISO style flares and metric threads. Special Tool Package (8822) includes ISO style flare adapters with metric threads to be used in conjunction with Bleeder Tubes, Special Tool Package (8358).
NOTE:
Make sure open ends of bleeder tubes stay below surface of brake fluid once reservoir is filled to proper level to avoid ingesting air while bleeding.