7-4. EXHAUST MANIFOLD AND TUBE REPLACEMENT
This task covers:
TOOLS AND SPECIAL TOOLS
General mechanics tool kit (App B, Item 96)
Torque wrench (App B, Item 101)
MANDATORY REPLACEMENT PARTS
17 Locking nuts (App F, Item 103)
1 Gasket (App F, Item 62)
2 Gaskets (App F,ltem29)
3-10 Turbocharger oil return line removed
3-13 Turbocharger oil supply line removed
3-15 Air inlet manifold removed
Turbocharger regulator removed
PERSONNEL REQUIRED: 2
Remove two nuts (1) from two clamps (2) securing exhaust crossover tube (3) to right
exhaust manifold (4) and adaptor (5) on left exhaust manifold (6). Slide clamps onto
Loosen five locking nuts (7) securing right exhaust manifold (4) to cylinder head.
Remove exhaust crossover tube (3) and clamps (2) from exhaust manifold (4) and adaptor
(5). Remove clamps from tube.
Slide exhaust manifold (4) upward and off cylinder head. Remove five locking nuts (7), three
beveled washers (8), and two end retainers (9) from studs (10) on right cylinder head.
Discard locking nuts.
Remove exhaust manifold gasket (11). Discard gasket.
Remove four locking nuts (12) securing adaptor (5) to left exhaust manifold (6). Discard
Remove adaptor (5) and gasket (13) from exhaust manifold. Discard gasket.
Use a second person to hold or secure exhaust manifold when loosening
self-locking nuts to prevent manifold from slipping or falling. Injury to
personnel can occur if manifold is not secured.