Noise/Vibration of Unknown origin:Back
LEMON LAW INSPECTION: CUSTOMER STATES VEHICLE HAS WIND NOISE FROM RIGHT REAR OF VEHICLE AT HIGHWAY SPEEDS * WIND NOISE FROM RIGHT REAR CORNER OF BACK LITE RESEAL BACKLIGHT AND RETEST NO MORE NOISE. IMPROPERLY SEALED LOWER RIGHT CORNER OF REAR-WINDOW PASSENGER-SIDE TEST DROVE VEHICLE WITH CUSTOMER AND WAS ABLE TO ISOLATE WIND NOISE. WIND NOISE COMING FROM REAR WINDOW RIGHT BOTTOM CORNER. WHILE DRIVING WITH THE CUSTOMER APPLIED TAPE TO THE EXTERIOR OF THE REAR WINDOW PASSENGER
LOWER CORNER AND FOUND NOISE WENT AWAY. RETURNED AND APPLIED SEALER TO
SMALL SECTION OF CORNER OF WINDOW. TEST DROVE AND FOUND WIND NOISE
STILL PRESENT. APPLIED CLEAR SEAM SEALER FURTHER UPWARD AND OUTWARD OF CORNER AND LET FULLY DRY. TEST DROVE UP TO 60 MPH AND FOUND NOISE NO LONGER PRESENT. TEST DROVE VEHICLE AT HIGHWAY SPEEDS AND CONFIRMED NOISE IS NO LONGER PRESENT AT THIS TIME.
THEY ARE HEARING A WHINING.'GH'JANING NOISE FROM THE REAR OF THE VEHICLE WHILE DRIVING * COULD NOT DUPLICATE TECHNICIAN PERFORMED MULTIPLE ROADTESTS AND COULD NOT DUPLICATE THE CONCERN. VEHICLE CURRENTLY OPERATING WITH SAME MAKE. MODEL AND VEHICLE CONFIGUATIONS.
THE VEHICLE IS SHAKING BAD FEELS LIKE REAR-END MORE AT HIGHWAY SPEEDS OR PULLING A TRAILER * had to have a vehicle for the weekend
DRY NOISE IN THE REAR RATTLE. * NO SERVICES/WORК PERFORMED AT THIS TIME
CONCERN CO : NS9
CLICKING WHEN BACKING UP. * TEST DROVE, NO ABNORMAL NOISES HEARD,
THE ONLY THING THE TECH AND ADVISOR HEARD WAS PAD SHIFT.
THE VEHICLE SHAKES AND VIBRATES. FEELS IT MORE IN THE REAR END, NOT SO MUCH IN THE STEERING WHEEL. ESPECIALLY AT HIGHWAY SPEEDS. ALREADY HAD WHEELS BALANCED AND ROTATED * checked the truck for a vibration at the highway speeds, checked the road force and the balance
on the truck tires, found three of the tires out of balance and one tire to have a tread France and high road force due to a bad splice, put the tire on the right rear at this time.
THE REAR END IS SHAKING BAD ESPECIALLY AT HIGHWAY SPEEDS * PERFORM INSTALL 1 TIRE. Installed TFS0250126:TIRE: 285/60R20
D CUSTOMER STATES THERE IS A THUMPING NOISE COMING FROM THE REAR. * 46281 FOUND REAR OF VEHICLE DROPPED, SUSPENSION RAISED, TEST DROVE VEHICLE WITH 46262 MILES, CAME BACK WITH 46267 MILES, CONFIRMED NOISE IN REAR, CONNECTED BATTERY CHARGER AND SDS, PERFORMED QUICK TEST, NO RELATED FAULTS, PERFORMED PNEUMATIC TESTS, SOME TESTS PASSED AND THEN STOPPED, NOT BUILDING UP PRESSURE, CHECKED COMPRESSOR LOCKED DUE TO EXCESSIVE RUN TIME FILLING, SPRAYED STRUTS AND BELLOWS WITH SOAP, FOUND REAR BELLOWS HAVE SLOW LEAKS CAUSING REAR OF VEHICLE TO DROP. R/R REAR WHEELS, REPLACED REAR AIRMATIC BELLOWS WITH PROTECTIVE COVERS, MOVED TO
CALIBRATED LEVEL, TEST DROVE, CAME BACK WITH 46270 MILES, NOISES IN REAR STILL PRESENT, REFERENCING LI32.22-P-053867 FOR THUMPING NOISE FROM SUSPENSION PERFORMED AIRMATIC CONTROL UNIT SOFTWARE UPDATE, TEST DROVE, CAME BACK WITH 46273 MILES NOISE STILL PRESENT, FURTHER MEASURE, SUGGESTS INSTALL CHASSIS EAR AND TEST DROVE TO LOCATE SOURCE, CAME BACK- WITH 46276 MILES, FOUND NOISE COMING FROM REAR SHOCKS, DETERMINED CONSEQUENTIAL DAMAGE DUE TO LEAK IN BELLOWS SUSPENSION DROPPED CAUSED SHOCKS TO WEAR MAKING EXCESSIVE NOISE, R/R REAR WHEELS, R/R REAR FENDER
LINERS, RELEASED AIR FROM BELLOWS, R/R PANELING IN LEFT AND RIGHT REAR TO ACCESS TOP OF REAR SHOCKS, REPLACED REAR SHOCKS, INSTALLED IN â REVERSE ORDER, MOVED TO CALIBRATED LEVEL, CLEARED ANY FAULTS SET, PERFORMED FINAL TEST DRIVE, NOISE NO LONGER PRESENT, FUNCTIONING AS
DESIGNED
KNOCKING NOISE COMING FROM FRONT END WHEN GOING OVER BUMPS, * NONE VERIFIED. INSPECT SUSPENSION AND ROAD TEST....NO REPAIR MADE
HEARING A HOWLING NOISE FROM THE REAR OF THE VEHICLE WHEN DRIVING AT HIGHWAY SPEEDS. * Road-tested the vehicle, found that the road noise
is a normal characteristic of the vehicle especially when driving on coarse pavement.
CHECK RUBBING NOISE IN RIGHT REAR WHEN 10 MILES PER HR AND UNDER * UNABLE TO DUPLICATE. TEST DRIVE FOR NOISE. NO ABNORMAL NOISE WAS HEARD AT THIS TIME.RBC RIDING WITH CUST TO VERIFY NOISE
DRY NOISE IN THE REAR RATTLE * NO SERVICES/WORK PERFORMED AT THIS TIME