차량 정비및수리할 때 얻었던 유용한 정보를 공유합니다.
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AFM 엑츄레이터 노이즈 개선 정비지침 |
 김지원(Dimitri) | 조회수 :4202 | 2017-08-11 (16:37) |
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Chirp, Squeak Noise From Rear Of Vehicle –2014-2016 Chevrolet & Cadillac Chevrolet Camaro 2016 - 2016 Condition Some customers may comment on hearing a squeak or chirp noise coming from the rear of the vehicle. The noise may be reported as being intermittent. Cause The noise may be caused by the opening/closing of the exhaust values during normal performance. Correction Note: There is a normal, audible noise associated with the opening/closing of the exhaust valves. The squeak/chirp noise noting the condition is an additional, more shrill noise, and may be intermittent, influenced by temperature and humidity. Confirm that the front or rear/tail pipe valves are the cause of the condition by activating the flow control function of the exhaust system. 1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in SI. 2. Use GDS to verify the exhaust flow control valves open and close when commanding the ExhaustFlow Control Valve On and Off, with a scan tool. 3. For Camaro and Corvette models, the engine sound management setting must be set to “Auto” to enable the scan tool to operate the valves. Note: The noise may only occur during valve opening OR closing of a valve, not always both. 4. Command the flow control functioning numerous times and listen for any squeak/chirp noise, over and above the normal activation noise. 5. If the squeak/chirp noise is evident, continue ahead to the lubrication service procedure below. Service Procedure 1. Fully raise the vehicle. 2. Position a drop cloth below the valve being lubricated. 3. Apply DRY SLIDE Multi-Purpose Dry Lubricant, P/N 1052948 (in Canada, use 89021511), into the valve by inserting the nozzle into the slot on the valve. Liberally apply a generous amount of the lubricant.   4. Move the drop cloth to and repeat application at both, or all four valve locations, depending on the exhaust system.  5. With all valves lubricated, command the flow control functioning numerous times on all valves, to work the lubricant into the valve. 6. During the flow control functioning, also verify the squeak/chirp noise has been eliminated. 요약 증상 : 이 소음은 지속적인 소음이 아닌, AFM 작동시 Chirp, Squeak 소음 끽- , 팅- 뭐 이런식의 삐걱거리는 소음이 단발로 난다고 알려진 이슈 입니다. 해결 : 노이즈가 의심된다거나, 노이즈가 없더라도 오일교환 등 차 뜰일 있으신분들은 예방정비 차원에서 액츄레이터의 저 구멍에 윤활류를 난사해주시면 됩니다. 건식 루부를 사용하라고 되어 있는데, 저제품은 안파는것 같고 3M 에서 나오는 건식 루브가 있습니다. 자전거용이나 등등 이외에도 스프레이형 건식루브가 몇종류 되구요. 전 그냥 와따40 뿌릴 계획입니다.^^ |
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이상현(모터헤드) | 2017-08-11 17:14
김지원(Dimitri) | 2017-08-11 18:02
근희(빙뎅) | 2017-08-11 17:46
김지원(Dimitri) | 2017-08-11 18:00
근희(빙뎅) | 2017-08-11 18:13
김지원(Dimitri) | 2017-08-11 18:16
근희(빙뎅) | 2017-08-11 18:21
차민석(후루르) | 2017-08-14 08:22
김지원(Dimitri) | 2017-08-14 17:02
임자성(8기통) | 2017-08-14 17:02
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