Home Engine/Hybrid System Intake/Exhaust 3UR-FE INTAKE / EXHAUST: EXHAUST MANIFOLD
Last Modified: 11-27-2007 1.6 A
Service Category: Engine/Hybrid System Section: Intake/Exhaust
Model Year: 2008 Model: LX570 Doc ID: RM0000031GV006X
Title: 3UR-FE INTAKE / EXHAUST: EXHAUST MANIFOLD: INSTALLATION (2008 LX570)

INSTALLATION

1. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH


(a) Install a new gasket to the cylinder head and a new gasket to the No. 2 air tube.

HINT:

  • Install the exhaust manifold gasket with the gasket tab facing toward the front of the engine.
  • Install the air tube gasket with the gasket claws facing the tube side.


(b) Temporarily install the exhaust manifold with the 2 nuts labeled A and 8 new nuts.

(c) Uniformly tighten the nuts that are not labeled A, and then tighten the 2 nuts labeled A.

Torque: 10 N·m (102 kgf·cm, 7 ft·lbf)

Torque: 21 N·m (214 kgf·cm, 15 ft·lbf)


(d) Install the insulator to the exhaust manifold with the 2 nuts.

Torque: 10 N·m (102 kgf·cm, 7 ft·lbf)

2. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR


(a) Install the heat insulator with the 3 bolts.

Torque: 10 N·m (102 kgf·cm, 7 ft·lbf)

3. INSTALL NO. 1 MANIFOLD STAY


(a) Temporarily install the manifold stay with the 2 bolts.

(b) Tighten the 2 bolts in the order shown in the illustration.

Torque: 40 N·m (408 kgf·cm, 30 ft·lbf)

4. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH


(a) Install a new gasket to the cylinder head and a new gasket to the No. 3 air tube.

HINT:

  • Install the exhaust manifold gasket with the gasket tab facing toward the rear of the engine.
  • Install the air tube gasket with the gasket claws facing the tube side.


(b) Temporarily install the exhaust manifold with the 2 nuts labeled A and 8 new nuts.

(c) Uniformly tighten the nuts that are not labeled A, and then tighten the 2 nuts labeled A.

Torque: 10 N·m (102 kgf·cm, 7 ft·lbf)

Torque: 21 N·m (214 kgf·cm, 15 ft·lbf)

5. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR


(a) Install the heat insulator with the 3 bolts.

Torque: 10 N·m (102 kgf·cm, 7 ft·lbf)

6. INSTALL NO. 2 MANIFOLD STAY


(a) Temporarily install the manifold stay with the 2 bolts.

(b) Tighten the 2 bolts in the order shown in the illustration.

Torque: 40 N·m (408 kgf·cm, 30 ft·lbf)

7. INSTALL PROPELLER SHAFT HEAT INSULATOR


(a) Install the heat insulator with the 2 bolts.

Torque: 16 N·m (160 kgf·cm, 12 ft·lbf)

8. INSTALL FRONT EXHAUST PIPE ASSEMBLY 3UR-FE INTAKE / EXHAUST: EXHAUST PIPE: INSTALLATION (2008 LX570)+

9. INSTALL FRONT NO. 2 EXHAUST PIPE ASSEMBLY 3UR-FE INTAKE / EXHAUST: EXHAUST PIPE: INSTALLATION (2008 LX570)+

10. INSTALL CENTER EXHAUST PIPE ASSEMBLY 3UR-FE INTAKE / EXHAUST: EXHAUST PIPE: INSTALLATION (2008 LX570)+

11. INSTALL TAILPIPE ASSEMBLY 3UR-FE INTAKE / EXHAUST: EXHAUST PIPE: INSTALLATION (2008 LX570)+

12. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE


(a) Apply a light coat of engine oil to a new O-ring.

(b) Install the O-ring to the guide.

(c) Install the dipstick guide with the bolt.

Torque: 10 N·m (102 kgf·cm, 7 ft·lbf)

(d) Install the dipstick.

13. INSPECT FOR EXHAUST GAS LEAK

14. INSTALL FRONT FENDER APRON SEAL FRONT LH


(a) Install the fender apron seal with the 4 clips.

15. INSTALL FRONT FENDER APRON SEAL REAR LH


(a) Install the fender apron seal with the 4 clips.

16. INSTALL FRONT FENDER APRON SEAL FRONT RH


(a) Install the fender apron seal with the 3 clips.

17. INSTALL FRONT FENDER APRON SEAL REAR RH


(a) Install the fender apron seal with the 4 clips.

18. INSTALL NO. 2 ENGINE UNDER COVER


(a) Install the No. 2 engine under cover with the 2 bolts.

Torque: 29 N·m (296 kgf·cm, 21 ft·lbf)

19. INSTALL NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY


(a) Install the No. 1 engine under cover with the 10 bolts.

Torque: 29 N·m (296 kgf·cm, 21 ft·lbf)

20. INSTALL FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY LH EXTERIOR PANELS / TRIM: FRONT BUMPER: INSTALLATION (2008 LX570)+

21. INSTALL FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY RH EXTERIOR PANELS / TRIM: FRONT BUMPER: INSTALLATION (2008 LX570)+

22. INSTALL UPPER RADIATOR SUPPORT SEAL EXTERIOR PANELS / TRIM: RADIATOR GRILLE: INSTALLATION (2008 LX570)+

23. INSTALL ENGINE ROOM SIDE COVER RH EXTERIOR PANELS / TRIM: RADIATOR GRILLE: INSTALLATION (2008 LX570)+

24. INSTALL ENGINE ROOM SIDE COVER LH EXTERIOR PANELS / TRIM: RADIATOR GRILLE: INSTALLATION (2008 LX570)+