Jeep Cherokee (XJ): Vacuum reservoir
DESCRIPTION
The vacuum reservoir is mounted to the front bumper bar behind the passenger side bumper end cap. The bumper end cap must be removed from the vehicle to access the vacuum reservoir for service.
OPERATION
Engine vacuum is stored in the vacuum reservoir.
The stored vacuum is used to operate the vacuumcontrolled vehicle accessories during periods of low engine vacuum such as when the vehicle is climbing a steep grade, or under other high engine load operating conditions.
The vacuum reservoir cannot be repaired and, if faulty or damaged, it must be replaced.
Refrigerant oil. Refrigerant system service port. Vacuum check valve
Other materials:
On-board diagnostics (OBD). Accessory drive belt diagnosis. Preliminary checks
On-board diagnostics (OBD)
COOLING SYSTEM RELATED DIAGNOSTICS
The Powertrain Control Module (PCM) has been
programmed to monitor the certain following cooling
system components:
If the engine has remained cool for too long a
period, such as with a stuck open thermostat, a Diagnostic
...