Tech Tip: Diagnosing Nissan Quest Gear Whine Noise – UnderhoodService
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Tech Tip: Diagnosing Nissan Quest Gear Whine Noise

If a 1999-2000 Quest exhibits a gear whine noise between 25 mph and 70 mph under light throttle application (i.e. 1/8 to 2/8 throttle applied), use the following service procedure to resolve the incident. Road-test the vehicle to confirm the incident exists. Park the vehicle on a ….

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If a 1999-2000 Quest exhibits a gear whine noise between 25 mph and 70 mph under light throttle application (i.e. 1/8 to 2/8 throttle applied), use the following service procedure to resolve the incident.

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Service Procedure:
1. Road-test the vehicle to confirm the incident exists.

2. Park the vehicle on a level surface.

3. Place the transmission shifter in Park, turn off the engine and apply the parking brake.

4. Install the mass damper (P/N 34998-7B000) on the A/T shift cable so that it’s positioned 10 mm above the A/T shift cable rubber boot. See Fig. 1.

5. Road-test the vehicle to confirm that the incident is resolved.

Technical service bulletin courtesy of Mitchell 1.

For more information on Mitchell 1 products and services, automotive professionals can log onto the company’s website at www.mitchell1.com.

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