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Home >> Chevrolet >> 2000 >> C3500 HD 7.4 J, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Mechanical - 4.3L V6, 5.0L, 5.7L & 7.4L V8 - VINS [W,X,M,R,J]) >> Removal & Installation >> Engine (4.3L) >> Removal (Astro & Safari)

Removal (Astro & Safari)

WARNING: This page does not describe the selected car, but rather 55 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Yukon, 1999 GMC Suburban, 1999 GMC Sonoma, and 1999 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.
  1. On this vehicle, engine and sub-frame must be removed out from the bottom of the vehicle. Release fuel system pressure. See FUEL PRESSURE RELEASE . Disconnect negative battery cable. Remove interior engine cover. Remove air filter assembly and disconnect accelerator and cruise control cables from throttle body. Discharge A/C system using approved refrigerant recovery/recycling equipment and disconnect A/C pipes from accumulator and condenser. See appropriate article in REFRIGERANT RECOVERY/RECYCLING in A/C GENERAL SERVICING.
  2. Drain cooling system, disconnect transmission fluid lines and engine oil cooler lines from radiator. Remove radiator. Remove power steering reservoir and disconnect hydro-boost pipes. Remove brake master cylinder from hydro-boost unit and tie to oil fill tube. Disconnect steering shaft from steering gear. Disconnect heater hoses from engine. Disconnect fuse box and wiring harness from the bulk head (firewall) connector and lay wiring harness on engine.
  3. Raise and support vehicle. Drain oil from crankcase. Remove drive shaft. Remove starter, flywheel cover, 3 torque converter bolts (A/T) and oil filter. Disconnect shift linkage. Disconnect exhaust at main flange behind catalytic converter. Remove park brake bracket from frame. Disconnect rear brake line. Remove front bumper and disconnect the power steering cooler from the front air deflector and disconnect SIR sensor connector.
  4. Disconnect rear A/C pipes from rear crossmember. Leave A/C pipes attached to powertrain assembly. Disconnect fuel lines from fuel filter. Pull fuel lines forward through the crossmember. Disconnect fuel tank electrical connector and disconnect transfer case vent hose (4WD). Ensure all connections are disconnected between the chassis and frame. Remove A/C compressor and power steering mounting bracket. Remove EGR tube from intake manifold. Attach engine Lifting Brackets (J-41427) to right-rear and left-front of intake manifold.
  5. Remove engine mount through-bolts. Disconnect fuel pipe bracket form rear of left cylinder head. Disconnect fuel pipes from fuel rail. Disconnect electrical harness from transmission and all other emission sensors. disconnect transfer case to engine block support brace (if equipped). Raise engine slightly and support transmission. Remove exhaust pipes from exhaust manifolds. Remove 9 bellhousing bolts. Lower engine from vehicle.
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