Exhaust System - Drone Noise at 1,000 RPM

Classification:
BT99-055

Reference:
NTB00-050

Date:
June 8, 2000

2000 FRONTIER CREW CAB DRONE NOISE AT 1,000 ENGINE RPM

APPLIED VEHICLE:
2000 Frontier (D22)
Crew Cab - 2WD A/T ONLY

APPLIED VIN:
Vehicles built before 1N6ED27T*YC414670

SERVICE INFORMATION

If a 2000 Frontier Crew Cab exhibits a drone noise inside the vehicle during warm-up as the engine speed slowly drops down through 1,000 RPM, use the service procedure listed below to resolve the incident.

SERVICE PROCEDURE





Install the dymanic damper on the exhaust bracket and tighten the damper mounting nuts to 13 Nm (1.3 kg-m, 9 ft-lb). Refer to Figure 1.

NOTE
The nuts for mounting the damper are already on the vehicle (i.e., on the exhaust bracket).





PARTS INFORMATION

CLAIMS INFORMATION





Submit a Primary Failed Part (PP) line using the claims coding table shown.