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Old 09-26-2014, 07:01 PM   #1
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Need location of vacuum pump for AC dampers on 2002 CC Allure

No vacuum to actuate AC/Heater dampers on 2002 Country Coach 36' Allure Summit. Schematic says there is an electric vacuum pump and accumulator somewhere. Fuse located in steering compartment and checks OK. Unable thus far to locate vacuum pump and accumulator. Pointers or clues to help me locate the pump and its accumulator would be appreciated.

2002 Country Coach Allure 36' #30783
Cummins ISC 350
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Old 09-26-2014, 07:05 PM   #2
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Location: St. Augustine, FL
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Mine is on the :firewall" in front of driver. The accumulator is aabout a 5" diameter black orb. Just follow the vacuum tubing from it to pump

'02 Ultimate Advantage 40J Spartan MM - Cummins ISC
2013 Jeep Rubicon JK Unlimited
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Old 09-28-2014, 04:28 PM   #3
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Vacuum pump is in the left front compartment above the windshield washer reservoir. The vacuum accumulator is mounted on the inside of the front cap next to the drivers side headlight assembly. It is visible lying on your back looking up at the underside of the floor in the vicinity of the steering mechanism.

Found and repaired three vacuum leaks so far. Now I need to locate what is called "KIT SACK VACUUM SWITCH" on the schematic for the OTR AC. I don't know what that is I just know I can't pull a vacuum on the line going to it.
2002 Country Coach Allure 36' #30783
Cummins ISC 350
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