Removal And Installation: Removal

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

Remove engine assembly from vehicle. Refer to ENGINE ASSEMBLY .
Remove the following components and related parts:
- Drive belt auto tensioner and idler pulley. Refer to DRIVE BELTS REMOVAL AND INSTALLATION .
- Thermostat housing and water hose. Refer to THERMOSTAT AND WATER PIPING in ENGINE COOLING SYSTEM article.
- Power steering pump bracket. see POWER STEERING OIL PUMP in POWER STEERING - TITAN article.
- Oil pan (lower) (upper) and oil strainer. Refer to OIL PAN AND OIL STRAINER
- Ignition coil. Refer to IGNITION COIL .
- Rocker cover. Refer to ROCKER COVER .
Remove chain case cover (right bank) and (left bank).
- Loosen and remove bolts in the REVERSE ORDER of shown in the figure.
- Using tool, cut liquid gasket and remove covers.
  1. Tool number: KV10111100 (J-37228)
  CAUTION: Use care not to damage mating surfaces.
  
  Fig 1: Chain Case Cover Tightening Sequence
  Courtesy of NISSAN MOTOR CO., U.S.A.
Obtain compression TDC of No. 1 cylinder as follows:
- Turn crankshaft pulley clockwise to align the TDC identification notch (without paint mark) with timing indicator on front cover.
  
  Fig 2: Identifying TDC
  Courtesy of NISSAN MOTOR CO., U.S.A.
- At this time, make sure the both intake and exhaust cam lobes of No. 1 cylinder (top front on left bank) point outside.
  - If they do not point outside, turn crankshaft pulley once more.
    
    Fig 3: Verifying TDC
    Courtesy of NISSAN MOTOR CO., U.S.A.
Remove crankshaft pulley.
- Using a suitable tool to assist, loosen bolts.
  
  Fig 4: Locking Crankshaft In Position To Remove Bolt
  Courtesy of NISSAN MOTOR CO., U.S.A.
- Remove crankshaft pulley from the crankshaft.
  - Set bolts in the two bolts holes [M6 x 1.0 mm (0.04 in)] on the front surface. Using a small puller, remove crankshaft pulley.
    NOTE:
    The dimension between the centers of two bolt holes is 61 mm (2.40 in).
    
    Use suitable pulley puller.
    Fig 5: Removing Crankshaft Pulley
    Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front cover.
- Loosen and remove bolts in the REVERSE ORDER shown in the figure.
- Using too, cut liquid gasket and remove covers.
  1. Tool number : KV10111100 (J-37228)
  CAUTION: Use care not to damage mating surfaces.
  
  Fig 6: Front Cover Tightening Sequence
  Courtesy of NISSAN MOTOR CO., U.S.A.
Using a suitable tool remove the front oil seal.
CAUTION: Use care not to damage front cover.
Remove oil pump drive spacer.
- Hold and remove flat space of oil pump drive spacer by pulling it forward.
Fig 7: Removing Oil Pump Drive Spacer
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove oil pump.
Remove chain tensioner on left bank.
NOTE: To remove timing chain and associated parts, start with those on left bank. The procedure for removing parts on right bank is omitted because it is the same as that for left bank.
- Using a suitable tool or fingers squeeze return-proof clip ends and push the plunger into the tensioner body.
- Secure plunger using stopper pin.
  - Stopper pin is made from hard wire approximately 1 mm (0.04 in) in diameter.
- Remove the bolts and the chain tensioner.
  
  Fig 8: Securing Plunger (On Engine)
  Courtesy of NISSAN MOTOR CO., U.S.A.
  NOTE:
  - Stop plunger in the fully extended position by return-proof clip 1 if stopper pin is removed.
  - Push the plunger in tensioner body while pushing plunger head and squeezing return-proof clip with fingers 2. Secure it using stopper pin 3.
  CAUTION: 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.
  
  Fig 9: Securing Plunger (Off Engine)
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove chain tension guide and slack guide.
Remove timing chain and crankshaft sprocket.
Using a suitable tool to assist, loosen bolts securing camshaft sprocket to remove camshaft sprocket.
CAUTION: To avoid interference between valves and pistons, do not turn crankshaft or camshaft when timing chain is disconnected.
Repeat the same procedure to remove the right timing chain and associated parts.

Fig 10: Removing Camshaft Sprocket
Courtesy of NISSAN MOTOR CO., U.S.A.