S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4 (1995)
2. Negative battery cable.
3. Upper manifold assembly.
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Refer to Upper Manifold Assembly. See: Upper Manifold Assembly
4. Fuel fittings at engine compartment fuel feed and return lines.
WARNING: Safety glasses must be worn when using compressed air, as flying dirt particles may cause eye injury.
5. Plug fuel feed and return lines as required.
6. Engine fuel inlet pipe retainer nuts and retainers.
7. Fuel inlet pipe and seal.
8. Lower manifold attaching nuts.
9. Lower manifold.
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Discard gasket.
CAUTION: Use care in cleaning old gasket material from machined aluminum surfaces as sharp tools may damage sealing surfaces.
Clean
NOTE: If it is necessary to remove rust or burrs from the male tube end of the fuel feed/return pipes quick-connect fittings, use emery cloth in a
circular motion with the tube end to prevent damage to O-ring sealing surface.
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Gasket cleaning surfaces.
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Using a clean shop towel, wipe off male tube end of the fuel feed/return pipes quick-connect fittings. Replace pipes if damaged.
INSPECT
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Replacement lower manifold for items that are to be transferred from unit removed from engine.
DISASSEMBLE
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Exhaust Gas Recirculation (EGR) transfer pipe.
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Lower manifold and other remaining parts to be transferred following component repair procedures.
ASSEMBLE
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Replacement lower manifold with transferred parts following component repair procedures.
-Apply pipe sealant to threaded ends of EGR transfer pipe. Install EGR transfer pipe.
Tighten
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EGR transfer pipe nuts to 27.0 Nm (20 lb. ft.).
INSTALL OR CONNECT
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Position EGR valve injector so that the port faces directly toward the throttle bore.
1. New lower manifold gasket.
2. Position lower manifold on studs.
3. Lower manifold attaching nuts.
Tighten
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Lower manifold attaching nuts 30.0 Nm (22 lb. ft.), using tightening sequence shown in Figure.
4. New fuel inlet pipe O-ring seal.
5. Fuel inlet pipe nut.
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Finger tighten only.
6. Support nut on bottom of lower manifold.
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Finger tighten only.
