Removal and Installation: Removal

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Remove the rocker cover (right bank) and (left bank). Refer to "ROCKER COVER ".
Obtain compression TDC of No. 1 cylinder. Refer to "TIMING CHAIN ".
Remove the chain case cover (right bank) and (left bank). Refer to "TIMING CHAIN ".
Paint matching marks on the timing chain links aligning with the camshaft sprocket matching marks.

Fig 1: Painting Matching Marks On Timing Chain Links Aligning With Camshaft Sprocket Matching Marks
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the chain tensioner on the left bank using the following steps.
WARNING: Plunger, spring, and spring seat pop out when squeezing return-proof clip without holding plunger head. It may cause serious injuries. Always hold plunger head when removing.
1. Squeeze return-proof clip ends using suitable tool and push the plunger into the tensioner body.
2. Secure plunger using stopper pin.
  - Stopper pin is made from hard wire approximately 1 mm (0.04 in) in diameter.
3. Remove the bolts and the chain tensioner.
  
  Fig 2: Squeezing Return-Proof Clip Ends Using Suitable Tool And Pushing Plunger Into Tensioner Body
  Courtesy of NISSAN MOTOR CO., U.S.A.
NOTE:
- Stop plunger in the fully extended position using return-proof clip 1 if stopper pin is removed.
- Push the plunger 2 into the tensioner body while squeezing the return-proof clip 1. Secure it using stopper pin 3.
Fig 3: Pushing Plunger 2 Into Tensioner Body While Squeezing Return-Proof Clip 1, And Securing With Stopper Pin 3
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the right chain tensioner cover from the front cover using Tool.
1. Tool number: KV10111100 (J-37228)
CAUTION: Do not damage mating surfaces.

Fig 4: Identifying Chain Tensioner Cover
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove chain tensioner on right bank using the following steps.
WARNING: Plunger, spring, and spring seat pop out when squeezing return-proof clip without holding plunger head. It may cause serious injuries. Always hold plunger head when removing.
1. Squeeze return-proof clip ends using suitable tool and push the plunger into the tensioner body.
2. Secure plunger using stopper pin.
  - Stopper pin is made from hard wire approximately 1 mm (0.04 in) in diameter.
  Fig 5: Squeezing Return-Proof Clip Ends Using Suitable Tool And Pushing Plunger Into Tensioner Body
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Remove the bolts and the right bank chain tensioner.
  NOTE: If it is difficult to push plunger on right bank chain tensioner, remove the plunger under extended condition.
Fig 6: Identifying Right Bank Chain Tensioner
Courtesy of NISSAN MOTOR CO., U.S.A.
Loosen camshaft sprocket bolts as shown and remove camshaft sprockets.
CAUTION: To avoid interference between valves and pistons, do not turn crankshaft or camshaft with timing chain disconnected.

Fig 7: Loosening Camshaft Sprocket Bolts And Removing Camshaft Sprockets
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the front cover bolts.

Fig 8: Identifying Front Cover Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove bolts in the reverse of order shown to remove camshaft brackets.
- Remove No. 1 camshaft bracket.
  NOTE: The bottom and front surface of bracket will be stuck because of liquid gasket.
Remove the camshaft.
Remove the valve lifters if necessary.
- Correctly identify location where each part is removed from. Keep parts organized to avoid mixing them up.
Fig 9: Removing Bolts In Specified Reverse Order To Remove Camshaft Brackets
Courtesy of NISSAN MOTOR CO., U.S.A.