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| Noises Procedure and Sign-Off List |
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| 1. Customer to fill out noise questionnaire: | |
| WHINE: A high pitched sound like an electric motor or drill. | |
| CLUNK: A metal to metal sound, like a hammer striking steel. | |
| GROWL: A low sound, like an angry dog. | |
| CLICK: A light sound like a ballpoint pen being clicked. | |
| RATTLE: A sound like marbles rolling around in a can. | |
| KNOCK: Like a loud door knocker. | |
| HISS: Like air escaping from a balloon. | |
| HUM: Like a wire humming in the wind. | |
| SQUEAL: A high pithced sound, like fingernails across a chalkboard. | |
| SQUEAK: A sound like rubbing a clean window. | |
| BOOM: A Sound like a drum roll or distant thunder. | |
| 2. Test drive with customer and verify noise customer is complaining about. | |
| 3. Narrow down noise to: engine - transmission - differential - CV joint - front end - brakes -exhaust mounting | |
| 4. Inspect for any loose parts and any add on equipment mountings. | |
| 5. Look for any components that need lube, like speedometer cable or bushings, especially sway bar bushings. | |
| 6. Check for mismatched components, broken backets and worn bushings. | |
| 7. Inspect all motor and transmission mounts. (GM diesels leak fuel from fuel pump and ruin motor mount causing engine to sit on frame). | |
| 8. Inspect strut mounts and shock mounts. | |
| 9. Inspect for any hydraulic engine mounts leaking. | |
| 10. Road test and verify noise is gone. | |
| ** Wipe off all handprints-return vehicle clean. | |
| Customer : | |
| Technician : | |
| Date : | |
| Mileage : | |
| Comments : | |