Filed Under (Dodge) by admin on 07-09-2010
REMOVAL- UPPER 1. Disconnect negative cable from battery remote jumper terminal. 2. Disconnect Inlet Air Temperature (IAT) Sensor connector. Remove air inlet resonator and inlet tube. 3. Remove throttle cable and speed control cable from throttle arm and bracket. 4. Remove throttle cable bracket. 5. Disconnect electrical connectors from the following components: – Manifold Absolute Pressure (MAP) Sensor – Throttle Position Sensor (TPS) Sensor – Idle Air Control (IAC) Motor 6. Disconnect Vapor Purge hose, Brake Booster hose, Speed Control Servo, Positive Crankcase Ventilation (PCV) hose (Fig. 104). 7. Loosen upper fastener at throttle body support bracket 9. Remove upper manifold (Fig. 105). 10. Inspect manifold. INSPECTION Check manifold for: – Damage and cracks – Gasket surface damage or warpage – Damaged or clogged EGR ports
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Filed Under (Chevrolet) by admin on 11-07-2010
1. Remove the upper intake manifold assembly. 2. Remove the fuel pressure regulator retainer clip (13). 3. Pull and twist the fuel pressure regulator (14) in order to remove the fuel pressure regulator from the fuel pressure regulator housing using a shop towel to catch any spilled fuel. 4. Remove the regulator seal lower O-ring (18). 5. Remove the regulator assembly filter (17). 6. Remove the regulator seal upper O-ring (16). 7. Remove the regulator seal backup ring (15). 8. Cover the fuel pressure regulator housing to prevent contamination from entering the fuel system. 9. Discard the O-rings. INSTALLATION PROCEDURE IMPORTANT: If the fuel pressure regulator is to be reinstalled, inspect the filter screen for contamination. If the filter screen is contaminated, replace the regulator 1. Lubricate the new O-rings with clean engine oil. 2. Install the regulator seal backup ring (15). 3. Install the regulator seal upper O-ring (16). 4. Install the regulator assembly filter (17). 5. Install the regulator seal lower O-ring (18). 6. Assemble the regulator with the vacuum tube pointing down into the regulator retainer clip. 7. Install the fuel pressure regulator retainer clip (13). 8. Install the upper manifold assembly. 9. Tighten the fuel filler cap. 10. Connect the negative battery cable. 11. Inspect for leaks.
Filed Under (GM) by admin on 04-05-2010
REMOVAL & INSTALLATION See Figures 1 and 2 1. Disconnect the negative battery cable. 2. Relieve the fuel system pressure.
3. Disengage the fuel meter body electrical connection and the fuel feed and return hoses from the engine fuel pipes. 4. Remove the upper manifold assembly. Exploded view of the CSFI fuel meter body assembly Exploded view of the fuel injector assembly-CSFI systems