Exhaust Manifold
Specifications
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Specifications for 356-1119 Manifold and 356-1124 Exhaust Manifold Gp     | |||
Callout     | Part Number     | Part Name     | Specification Description     |
15     | 238-8292     | Bolt     | Torque to................... 44 N·m (32 lb ft) Tighten the bolts in the sequence that is in illustration 4.     |
Removal Procedure
Start By:
- Remove the turbocharger for top mounted turbocharged engine. Refer to Disassembly and Assembly, "Turbocharger (Top Mounted Turbocharger)" for the correct procedure.
- Remove the turbocharger for side mounted turbocharged engine. Refer to Disassembly and Assembly, "Turbocharger (Side Mounted Turbocharger)" for the correct procedure.
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Illustration 1 | g02478716 |
- Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct procedure.
- Remove bolts (2) and bolt (9) from tube assembly (3) .
- Remove tube assembly (3) from the cylinder head and the exhaust cooler.
- Remove gasket (1) (not shown) and gasket (10) (not shown) from tube assembly (3) .
- Prior to and during removal of bolts (6) and bolts (11) apply releasing fluid to the bolts. Remove bolts (6) and bolts (11) from tube assembly (8) .
- Remove tube assembly (8) from the exhaust cooler and the exhaust manifold.
- Remove gasket (7) (not shown) and gasket (12) (not shown) from tube assembly (8) .
- Remove bolt (5) and bolt (13) from dipstick tube assembly (4) .
- Loosen nut (14) on dipstick tube assembly (4). Remove the dipstick tube assembly.
- Remove O-ring seal (15) (not shown) and seal (16) (not shown) from the dipstick tube assembly.
- Loosen bolts (15) in reverse numerical order. Refer to Illustration 2.
Note: Loosen the bolts in reverse numerical order will help prevent distortion of the exhaust manifold.
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Illustration 2 | g02477641 |
Tighten sequence of exhaust manifold |
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Illustration 3 | g02478717 |
- Remove bolts (15) and spacers (16) from exhaust manifold (17). Note position of the different length spacer.
Note: Support the manifold as the bolts are removed.
- Remove exhaust manifold (17) .
- Remove exhaust manifold gasket (18) (not shown).
Installation Procedure
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Required Tools     | |||
Tool     | Part Number     | Part Description     | Qty     |
A     | 366-1820     | Manifold Alignment Pins     | 2     |
B     | 377-2038     | Manifold Alignment Pins     | 1     |
C     | -     | Loctite 575     | 1     |
- Ensure that the exhaust manifold is clean and free from damage. If necessary, replace the exhaust manifold. Clean the gasket surface of the cylinder head.
- Position a new exhaust manifold gasket (18) (not shown) onto the cylinder head. Install Tooling (A) in Positions (X) and Tooling (B) in Positions (Y). Refer to Illustration 4.
Note: Ensure that the exhaust manifold gasket is correctly oriented.
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Illustration 4 | g02477697 |
Tighten sequence of exhaust manifold and Tooling position |
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Illustration 5 | g02478717 |
- Align exhaust manifold (17) with Tooling (A) and Tooling (B). Install the exhaust manifold to the cylinder head.
- If bolts (15) have been previously used, thoroughly clean the bolts. Tooling (C) should be applied to the first two threads of the bolts.
Note: Do not apply Tooling (C) to new bolts.
- Install bolts (15) and spacers (16) hand tight. Ensure that the different length spacer is installed into the correct position.
- Remove Tooling (A) and Tooling (B). Install remaining bolts (15) and spacers (16) hand tight.
- Tighten bolts (15) to a torque of 44 N·m (32 lb ft). Tighten the bolts in the sequence that is shown in Illustration 4.
- Ensure that all tube assemblies are free from restriction and damage.
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Illustration 6 | g02478716 |
- Position a new gasket (7) (not shown) and a gasket (12) (not shown) onto tube assembly (8) .
- Install tube assembly (8) onto the exhaust cooler and the exhaust manifold.
- Install bolts (6) and bolts (11) to tube assembly (8). Tighten the bolts to a torque of 22 N·m (195 lb in).
- Position a new gasket (1) (not shown) a new gasket (10) (not shown) onto tube assembly (3) .
- Install tube assembly (3) onto the cylinder head and the exhaust cooler.
- Install bolts (2) and bolt (9) to tube assembly (3) .
- Tighten bolt (9) to a torque of 18 N·m (159 lb in).
Tighten bolts (2) to a torque of 22 N·m (195 lb in).
- Install a new O-ring seal (15) (not shown) and a new seal (16) (not shown) to the dipstick tube assembly. Loosely install nut (14) for dipstick tube assembly (4) .
- Install bolt (5) and bolt (13) to dipstick tube assembly (4) .
- Tighten nut (14) to a torque of 18 N·m (159 lb in).
Tighten bolts (5) and bolt (13) to a torque of 22 N·m (195 lb in).
- Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct procedure.
End By:
- Install turbocharger for top mounted turbocharged engine. Refer to Disassembly and Assembly, "Turbocharger (Top Mounted Turbocharger)" for the correct procedure.
- Install turbocharger for side mounted turbocharged engine. Refer to Disassembly and Assembly, "Turbocharger (Side Mounted Turbocharger)" for the correct procedure.
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