Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Engine Mechanical
Model Year: 2008 Model: Sequoia Doc ID: RM000002S5500EX
Title: 3UR-FE ENGINE MECHANICAL: CYLINDER HEAD GASKET: REMOVAL (2008 Sequoia)

REMOVAL

1. REMOVE EXHAUST MANIFOLD

(a) Remove the exhaust manifold 3UR-FE INTAKE / EXHAUST: EXHAUST MANIFOLD: REMOVAL (2008 Sequoia) .

2. REMOVE CAMSHAFTS

(a) Remove the camshaft 3UR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL (2008 Sequoia) .

3. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY

(a) Remove the 32 valve rocker arms from the cylinder head.

HINT:

Arrange the removed parts in the correct order.

4. REMOVE VALVE LASH ADJUSTER ASSEMBLY

(a) Remove the 32 valve lash adjusters from the cylinder head.

HINT:

Arrange the removed parts in the correct order.

5. REMOVE VALVE STEM CAP

(a) Remove the 32 valve stem caps from the cylinder head.

HINT:

Arrange the removed parts in the correct order.

6. REMOVE CYLINDER HEAD LH


(a) Uniformly loosen and remove the 2 bolts in the sequence shown in the illustration.


(b) Using a 10 mm bi-hexagon wrench, uniformly loosen the 10 cylinder head bolts in the sequence shown in the illustration. Remove the 10 cylinder head bolts and plate washers.

NOTICE:

  • Be careful not to drop washers into the cylinder head.
  • Head warpage or cracking could result from removing bolts in an incorrect order.

HINT:

Be sure to arrange the removed parts for each installation position separately.

7. REMOVE NO. 2 CYLINDER HEAD GASKET

8. REMOVE CYLINDER HEAD SUB-ASSEMBLY


(a) Uniformly loosen and remove the 2 bolts in the sequence shown in the illustration.


(b) Using a 10 mm bi-hexagon wrench, uniformly loosen the 10 cylinder head bolts in the sequence shown in the illustration. Remove the 10 cylinder head bolts and plate washers.

NOTICE:

  • Be careful not to drop washers into the cylinder head.
  • Head warpage or cracking could result from removing bolts in an incorrect order.

HINT:

Be sure to arrange the removed parts for each installation position separately.

9. REMOVE CYLINDER HEAD GASKET