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 ∔ 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 |