| WARNING | Release fuel system pressure before servicing fuel system components. Service vehicles in well ventilated areas and avoid ignition sources. Never smoke while servicing the vehicle. |
Scheme 177
Scheme 178
Scheme 179
Scheme 180
- Disconnect negative cable from battery.
- Perform fuel system pressure release procedure before attempting any repairs. (Refer to «FUEL SYSTEMS»(ref-142492-S39306046262002080600000) ). WARNING: Wrap shop towels around fuel hose to catch any gasoline spillage.
- Disconnect fuel supply line quick connect at the fuel tube assembly. (Refer to «FUEL SYSTEMS»(ref-142492-S39306046262002080600000) ).
- Disconnect fuel injector connector and harness from injectors and fuel rail.
- Disconnect PCV hose from manifold. (Scheme 177)
- Remove the inlet air duct from intake manifold to throttle body.
- Remove bolt attaching lower intake manifold to support bracket. (Scheme 178)
- Remove engine oil dipstick from housing.
- Disconnect electrical connectors from MAP sensor and MTV actuator. (Scheme 177)
- Remove bolts attaching intake manifold to cylinder head.
- Move manifold forward for access to wiring connections. (Scheme 179)
- Disconnect the knock sensor. (Scheme 180)
- Disconnect brake booster hose. (Scheme 179)
- Remove intake manifold.
Scheme 181
Scheme 182
- Clean manifold sealing surfaces.
- If separated, install lower to upper manifold gasket and tighten bolt in sequence shown in to 12 N.m (105 in. lbs.). (Scheme 181)
- Position NEW manifold gasket on cylinder head mounting surface, piloting on the 2 attaching studs.
- Loosely position manifold in engine compartment.
- Insert engine wiring harness between middle intake runners.
- Connect the knock sensor. (Scheme 180)
- Connect brake booster hose. (Scheme 179)
- Position manifold to cylinder head and install fasteners. Tighten fasteners in sequence shown in to 12 N.m (105 in. lbs.). (Scheme 182)
- Install bolt securing lower manifold to bracket. (Scheme 178) Tighten bolt to 28 N.m (250 in. lbs.).
- Connect MAP sensor and MTV actuator electrical connection. (Scheme 177)
- Install engine oil dipstick
- Connect inlet air duct to manifold and throttle body.
- Connect PCV hose to manifold. (Scheme 177)
- Connect fuel injector connectors and harness to fuel rail.
- Connect fuel supply line to fuel rail. (Refer to «FUEL SYSTEMS»(ref-142492-S39306046262002080600000) ).
- Connect negative cable to battery.