Category Archives: 5.7 Hemi

5.7 Hemi – MANIFOLD – EXHAUST – DESCRIPTION

The exhaust manifolds are log style with a patented flow enhancing design to maximize performance. The exhaust manifolds are made of high silicon molybdenum cast iron. A perforated core graphite exhaust manifold gasket is used to improve sealing to the cylinder head. The exhaust manifolds are covered by a three layer laminated heat shield for… Read More »

5.7 Hemi – MANIFOLD – INTAKE – INSTALLATION

1. Install intake manifold seals. 2. Position intake manifold and IAFM. 3. Install intake manifold retaining bolts, and tighten in sequence from the middle bolts towards the outside in a crisscross pattern. Torque fasteners to 12 N·m (105 in. Ibs.). 4. Connect electrical connectors for the following components: • Manifold Absolute Pressure (MAP) Sensor •… Read More »

5.7 Hemi – MANIFOLD – INTAKE – INSPECTION

1. Inspect the intake sealing surface for cracks, nicks and distortion. 2. Inspect the intake manifold vacuum hose fittings for looseness or blockage. 3. Inspect the manifold to throttle body mating surface for cracks, nicks and distortion.

5.7 Hemi – MANIFOLD – INTAKE – CLEANING

NOTE: There is NO approved repair procedure for the intake manifold. If severe damage is found during inspection, the intake manifold must be replaced. Before installing the intake manifold thoroughly clean the mating surfaces. Use a suitable cleaning solvent, then air dry.

5.7 Hemi – MANIFOLD – INTAKE – REMOVAL

1. Disconnect negative cable from battery. 2. Remove resonator assembly and air inlet hose. 3. Disconnect electrical connectors for the following components: • Manifold Absolute Pressure (MAP) Sensor • Intake Air Temperature (lAT) Sensor • Throttle Position (TPS) Sensor • Coolant Temperature (CTS) Sensor 4. Disconnect brake booster hose and positive crankcase ventilation (PCV) hose.… Read More »

5.7 Hemi – MANIFOLD – INTAKE – DESCRIPTION

The intake manifold is made of a composite material and features long runners which maximizes low end torque. The intake manifold uses single plane sealing which consist of eight individual press in place port gaskets to prevent leaks. DIAGNOSIS AND TESTING INTAKE MANIFOLD LEAKAGE An intake manifold air leak is characterized by lower than normal… Read More »

5.7 Hemi – PUMP – ENGINE OIL – INSTALLATlON

1. Position the oil pump onto the crankshaft and install the 4 oil pump retaining bolts. 2. Tighten the oil pump retaining bolts to 28 N·m (250 in. Ibs.). 3. Install the timing chain cover (Refer to 9 – ENGINENALVE TIMINGITIMING BELT / CHAIN COVER(S) –                  INSTALLATION).… Read More »

5.7 Hemi – PUMP – ENGINE OIL – INSPECTION

CAUTION: Oil pump pressure relief valve and spring should not be removed from the oil pump. If these components are disassembled and or removed from the pump the entire oil pump assembly must be replaced. 1. Remove the pump cover. 2. Clean all parts thoroughly. Mating surface of the oil pump housing should be smooth.… Read More »

5.7 Hemi – PUMP – ENGINE OIL – REMOVAL

1. Remove the oil pan and pick-up tube (Refer to 9 – ENGINE/LUBRICATION/OIL PAN – REMOVAL). 2. Remove the timing chain cover (Refer to 9 – ENGINENALVE TIMING/TIMING BELT I CHAIN COVER(S) – REMOVAL). 3. Remove the four bolts, and the oil pump.