Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VICV
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 08/2016]
Title: 2GR-FE ENGINE MECHANICAL: CYLINDER HEAD GASKET: REMOVAL; 2016 MY Sienna [12/2015 - 08/2016]

REMOVAL

PROCEDURE

1. REMOVE CAMSHAFT

(See page 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE ENGINE MECHANICAL: CAMSHAFT: REMOVAL )

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

(a) Remove the 24 valve rocker arms.

HINT:

Arrange the removed parts in the correct order.

3. REMOVE VALVE LASH ADJUSTER ASSEMBLY

(a) Remove the 24 valve lash adjuster assemblies from the cylinder head.

HINT:

Arrange the removed parts in the correct order.

4. REMOVE VALVE STEM CAP

(a) Remove the 24 valve stem caps.

5. REMOVE WATER OUTLET

2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE ENGINE MECHANICAL: ENGINE UNIT: DISASSEMBLY+

6. REMOVE CYLINDER HEAD SUB-ASSEMBLY RH

(a) Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 cylinder head bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

NOTICE:

  • Be careful not to drop washers into the cylinder head sub-assembly.
  • Cylinder head warpage or cracking could result from removing bolts in the incorrect order.

HINT:

Arrange the removed parts in the correct order.

(b) Remove the cylinder head sub-assembly RH.

7. REMOVE CYLINDER HEAD GASKET RH

(a) Remove the cylinder head gasket RH.

8. REMOVE CYLINDER HEAD SUB-ASSEMBLY LH

(a) Uniformly loosen and remove the 2 cylinder head set bolts in several steps and in the sequence shown in the illustration.

(b) Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

NOTICE:

  • Be careful not to drop washers into the cylinder head sub-assembly.
  • Cylinder head warpage or cracking could result from removing bolts in the incorrect order.

HINT:

Be sure to keep separate the removed parts for each installation position.

(c) Remove the cylinder head sub-assembly LH.

9. REMOVE CYLINDER HEAD GASKET LH

(a) Remove the cylinder head gasket LH.