Cherokee 2WD L4-150 2.5L VIN H TBI (1988)
ABS Pump: Service Precautions
WARNING:
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The normal working pressure of the anti-lock boost system is 1650-2050 PSI. System pressure must be pumped down before any pressure
lines are Loosened/Disconnected. Failure to do so could result in personal injury. To reduce system pressure, turn the ignition switch off.
Then apply the brakes 45-50 times (until pedal is firm) to reduce fluid pressure in the accumulator, booster, pump and lines. wear safety
goggles when disconnecting fluid lines.
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The accumulator tank and the small accumulator on the booster pump both contain high pressure gas charges which assist in maintaining
boost pressure. Do not puncture or attempt to disassemble either of these components at any time.
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When servicing the anti-lock system, keep system components clean. Do not allow any dirt or foreign material to enter the system. Clean
the reservoir cap and exterior thoroughly before removing the cap to add fluid. Dirt or foreign material in the system could result in poor
brake system performance and possible component failure.
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Use mopar brake fluid or equivalent meeting SAE J1703 and DOT 3 standards only. Never use reclaimed fluid, fluid from a container
that has been allowed to stand open for any length of time, or fluid not meeting the sae and dot standards.
