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Home >> GMC >> 1997 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Engine Mechanical - 4.3L V6 - VIN W & ,X) >> Removal & Installation >> Engine >> Installation (Astro & Safari)

Installation (Astro & Safari)

WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 1997 Oldsmobile Bravada, 1997 GMC Sonoma, 1997 GMC Savana, 1997 GMC Safari, and 1997 GMC Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place engine in position on sub-frame. Install engine mount through bolts. Torque to specification. See TORQUE SPECIFICATIONS . Remove engine lift Adapter (J-41427).
  2. Connect transmission to engine, torque to specification. See TORQUE SPECIFICATIONS . Install exhaust "Y" pipe to engine. On 4WD models, install transfer case support brace. Route and connect all fuel lines, hoses and transmission wiring harness. Connect steering shaft and wheel housing splash shields.
  3. Install distributor cap. Connect heater hose from coolant pump. Connect harness at knock sensor module. Connect wiring harness at bulkhead. Install CPI or TBI unit to intake manifold. Install A/C compressor.
  4. Lower vehicle into position for engine/sub-frame installation. Install sub-frame bolts and tighten in sequence. See Fig 1. Connect engine electrical harness. Route and install remaining accessory, bulkhead and fuse box wiring. Secure fuse box. Connect wheel housing splash shields to frame. Install steering shaft and torque to specification. See TORQUE SPECIFICATIONS . Install power steering pump bracket and pump. Connect A/C compressor hose assembly. Install cruise control servo and bracket.
  5. Connect power steering pump. Connect hydraulic lines at gear-box, pump, hydro boost and reservoir. Install serpentine belt. Install/connect A/C accumulator and hoses. Install radiator. Install upper radiator hoses and cooler lines. Connect heater hoses. Install all vacuum hoses.
  6. Install fan and fan clutch assembly. Install fan shroud and radiator filler panels. Install grille and headlamp bezels.
  7. Install master cylinder and connect all fittings disconnected previously. Install hood latch and radiator braces. Install transmission and engine filler tubes. Install cruise control stepper motor cable, wiring and accelerator cable. Install plug wires.
  8. Install air cleaner and ducts. Connect fuel lines at intake manifold. Install fuel line bracket and connect fuel lines at frame. Raise and support vehicle with safety stands.
  9. Connect lower engine oil cooler line to radiator. Install power steering cooler and lines. Install lower transmission oil cooler line and lower radiator hose to radiator. Install front bumper. Connect drive shaft and transmission linkage. Torque all fasteners to specification. See TORQUE SPECIFICATIONS . Connect all fuel hoses. Install air bag sensor wiring. Install starter. Connect remaining wiring at engine and sub-frame.
  10. Install torque converter bolts and cover. See TORQUE SPECIFICATIONS . Connect exhaust pipes and lower vehicle. Install oil filter and oil. Ensure oil level is correct. See Crankcase Capacity . Ensure transmission fluid level is correct. Fill and bleed power steering system. See POWER STEERING BLEEDING . Install air filter assembly. Install battery and negative battery cable. Install engine cover. Install right kick panel.
  11. Install battery. Fill and bleed brake system. Install coolant as needed. See COOLING SYSTEM BLEEDING . Evacuate and charge A/C system. See appropriate article in REFRIGERANT RECOVERY/RECYCLING in A/C GENERAL SERVICING.
  12. Check all components for leaks, proper fluid levels and proper operation.
Fig 1: Tightening sub-frame mounting bolts in sequence (Astro & Safari).
G97I03941Courtesy of GENERAL MOTORS CORP.
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