eieio wrote:
As far as checking the drive belt tensioner, unless i missed something in the service manual, i could not find any procedure for checking it, only guidelines for checking the condition of the belt.
FYI
Classification:
EM06-004a
Reference:
NTB06-072a
Date:
April 18, 2007
DRIVE BELT NOISE
This bulletin has been amended. The Service Procedure has been revised.
Please discard all copies of the earlier version.
APPLIED VEHICLES:
2005 -2007 Xterra (N50)
2005 - 2007 Pathfinder (R51)
2005 -2007 Frontier (D40)
APPLIED ENGINE:
VQ40 engine ONLY
APPLIED VIN:
Xterra: Vehicles built before 5N1AN(****)7C504897
Pathfinder: Vehicles built before 5N1AR(****)7C606132
Frontier: Vehicles built before 1N6AD(****)7C406414
APPLIED DATE:
Vehicles built before September 27, 2006
IF YOU CONFIRM:
A chirping or "squeak" noise is coming from the engine area, usually occurring at start-up in the morning-especially in cold or damp conditions.
OR
A squealing or chirping noise occurs when the vehicle has been driven for awhile (an extended period of time). Duplication of the noise may require operation of the engine for at least one (1) hour.
AND
In either of these cases the noise is heard coming from the drive belt.
ACTION:
^ Inspect power steering oil pump pulley alignment. Realign pump bracket if needed.
^ Replace the Auto-Tensioner and Drive Belt with the ones listed in the Parts Information section of this bulletin.
^ Refer to the Service Procedure in this bulletin for details.
IMPORTANT :The purpose of "ACTIONS" (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service Procedure as it contains information that is essential to successfully completing the repair.
PARTS INFORMATION
CLAIMS INFORMATION
Submit a Primary Failed Part (PP) line claim using the claims coding shown.
SERVICE PROCEDURE
1. Remove engine cover. Refer to the appropriate ESM if needed.
2. Remove air duct.
3. Install tool (J-46535) on auto-tensioner pulley bolt and move it clockwise.
CAUTION o not move it counterclockwise.
4. Remove drive belt.
5. Using a straightedge (or other equivalent tool) visually check the power steering oil pump pulley and crankshaft pulley alignment. The pulleys should be evenly aligned as shown in Figure 1. If the pulleys are not evenly aligned go to step 6.
^ If the pulleys are not evenly aligned go to step 6. If the pulleys are evenly aligned go to step 13.
6. Loosen three bolts holding heat shield to the right hand exhaust manifold. Push the heat shield out of the way and secure with a bungee cord or similar tool.
7. Looosen the front bolt on the power steering bracket attached to the engine block. See Figure 2.
8. Loosen the 2 side bolts on the bracket.
9. Finger tighten the front bolt.
10. Finger tighten the two side bolts.
11. Torque the front bolt 56.9 - 65.7 N.m (5.8 -6.7 kg-m, 42 - 48 ft-lb).
12. Torque the two side bolts 56.9 - 65.7 N.m (5.8 - 6.7 kg-m, 42 - 48 ft-lb).
13. Install new drive belt, auto-tensioner, and engine cover in reverse order of removal.
14. Install air duct and exhaust heat shield.
15. Check to make sure the incident has been resolved.
And everyone replyed saying belt and or tensioner. So want to see if i need to replace it.
