Quote:
Originally Posted by pipsniperr
Just picked up the x5m from the dealer.
The tech took the time to explain his test plan.
I decided to attach the test plan to this thread.
On the way home, no engine malfunction light. He noted after he unpinched the line he could not get the light to reappear.
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CLIENT HAS PROVIDED FAULT CODES
310B charging pressure control 2
30FF Charging pressure control boost pressure too low
30CB By pass blow off valve 2 activation
"INSPECTED VEHICLE FOUND VACUUM LINE FOR BANK 2 PRESSURE CONVERTER THAT CONTROLS WASTE GATE COMPLETELY PINCHED AND ROUTED INCORRECTLY.
HOOKED UP VACCUM GUAGE TO WASTE GATE AND CONFIRM NO VACCUM PRESENT AT ALL
UNPINCHED HOSE AND NOW HAD VACCUM AT WASTE GATE. TESTED BOTH WASTE GATES AND CONFIRMED MOVEMENT - FULL RANGE OPEN AND CLOSED. HOWEVER BANK 2 SHOWS SLIGHT SIGNS OF WEAR ON ROD - IT DID NOT AFFECT ACTUATION AT THIS TIME.
TESTED VACUUM SOURCE AT VACCUMP PUMP - IT IS LOW
SPEC IS 24INCHES AFTER 1 MIN - PUMP SHOWING 9INCHES AT IDLE
FAILING TO PRODUCE CORRECT VACUUM
INSPECTED TURBO IMPELLERS THEY BOTH WERE SPINNING FREELY WITH ENGINE RUNNING AND WHEN ENGINE TURNED OFF DID NOT NOTICE ANY SIGN OF WALL CONTACT OR EXCESSIVE WEAR
USING "T" CONNECTORS HOOKED UP VACUUM GAUGES AT WASTE GATE AND ACTUATORS AND CLEAR FAULTS TO TEST DRIVE VEHICLE
WHILE MONITORING BOTH PRESSURE CONVERTER FOR BANK 2 WASTE GATE NOTICED IT WAS SLOW TO RESPOND AT TIMES AND IS AFFECTING VACUUM
RECOMENDED VACCUM PUMP, REPLACEMENT OF AGED VACUUM LINES COMPLETELY FROM PUMP TO PODS TO CONVERTERS TO WASTE GATES
RECOMMENDED REPLACING BOTH CONVERTERS DUE TO BEING IN SAME AREA FOR BANK 1 AND BANK 2"
RECOMMENDED PARTS
11657803732 - VACUUM HOSE
11657846163 - VACUUM HOSE
11657846164 - VACUUM HOSE
11747626351 - CONVERTERS (Boost solenoids)
11668605976 - VACUUM PUMP
I will get these repairs done and update!
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Did you see my post about the vacuum part numbers? Don't waste 450 dollars.....