Installation Procedure
- Install the front engine mount bracket. Refer to ENGINE MOUNT BRACKET REPLACEMENT - FRONT .
- Carefully position the engine to the supported frame and transaxle assembly, aligning the engine dowels to the transaxle cover.NOTE: Refer to FASTENER NOTICE .
- Install the bolts attaching the engine to the transaxle.
Tighten
Tighten the engine to transaxle mounting bolts to 75 N.m (55 lb ft).
- Install the nut securing the front engine mount to the engine frame.
Tighten
Tighten the front engine mount nut to 70 N.m (52 lb ft).
- Place a block of wood between the front of the engine oil pan and the engine frame.
- Remove the engine lift chain from the engine lift brackets.
- Remove the J 42504 from the cylinder head.
- Install the 4 bolts securing the center transaxle brace to the engine and transaxle.
Tighten
Tighten the center transaxle brace bolts to 50 N.m (37 lb ft).
- Install the retaining nuts (2, 3) securing the vehicle speed sensor heat shield (1) to the transaxle.
Courtesy of GENERAL MOTORS CORP.
Tighten
Tighten the vehicle speed sensor heat shield nuts to 50 N.m (37 lb ft).
- Install the bolts (1, 3) securing the front transaxle brace (2) to the transaxle and right cylinder head.
Tighten
Tighten the front transaxle brace bolts (1, 3) to 50 N.m (37 lb ft).
- Position the rear transaxle brace over the studs located at the rear of the right cylinder head.
- Loosely install the nuts (3) securing the rear transaxle brace (1) to the cylinder head.
- Install the bolt (2) securing the rear transaxle brace (1) to the transaxle.
Tighten
- Tighten the rear transaxle brace bolt (2) to 50 N.m (37 lb ft).
- Tighten the rear transaxle brace nuts (3) to 50 N.m (37 lb ft).
- Position the right engine mount bracket (1) to the engine.
- Install the 4 bolts securing the right engine mount bracket (1) to the engine.
Tighten
Tighten the right engine mount bracket bolts to 50 N.m (37 lb ft).
- Install the nut (2) securing the power steering pressure hose to the right engine mount bracket (1).
Tighten
Tighten the power steering pressure hose retaining nut to 9 N.m (80 lb in).
- Install the power steering pressure hose to the power steering pump.
Tighten
Tighten the power steering hose to power steering pump to 30 N.m (22 lb ft).
- Connect the power steering hose to the power steering pump reservoir.
- Install the power steering return hose retaining bolt to the cylinder head.
Tighten
Tighten the power steering return hose retaining bolt to 50 N.m (37 lb ft).
- Connect the engine wiring harness to the engine.
- Install the nut (3) securing the coil cassette ground wire to the cylinder head.
Tighten
Tighten the coil cassette ground wire nut to 17 N.m (13 lb ft).
- Install the nut securing the intermediate hose to the secondary AIR valve at bank 1.
Courtesy of GENERAL MOTORS CORP.
Tighten
Tighten the intermediate hose to secondary AIR valve nut to 9 N.m (80 lb in).
- Connect the intermediate hose to the secondary AIR valve at bank 2.
- Install the heater pipes. Refer to HEATER PIPE REPLACEMENT - INLET and HEATER PIPE REPLACEMENT - OUTLET in Heating, Ventilation and Air Conditioning.
- Position the engine/transaxle assembly under the vehicle.
Important: Ensure clearance is maintained between the engine/transaxle assembly and the following:
- The A/C accumulator hose
- The A/C compressor hose
- The brake pipes
- The heater hoses
- The radiator hoses
- The wheel speed sensor leads
- The wiring harnesses
- Carefully lower the vehicle over the engine/transaxle assembly, aligning the struts to the strut towers.
- Install the 6 frame mounting bolts (3) retaining the frame (2) to the vehicle.
Using dowel pins in the alignment holes (1), align the engine frame (2) with the vehicle.
Tighten
Tighten the frame mounting bolts to 191 N.m (141 lb ft).
- Install the nut securing the right engine mount to the engine mount bracket.
Courtesy of GENERAL MOTORS CORP.
Tighten
Tighten the right engine mount nut to 80 N.m (59 lb ft).
- Remove the block of wood between the front of the engine oil pan and the engine frame.
- Install the nut (1) securing the left transaxle mount to the transaxle mount bracket.
Courtesy of GENERAL MOTORS CORP.
Tighten
Tighten the left transaxle mount nut to 80 N.m (59 lb ft).
- Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
- Remove the J 39580
powertrain support dolly from under the engine frame.
Courtesy of GENERAL MOTORS CORP.
Important: Line up the flywheel and converter, using the alignment marks made during disassembly.
- Install the bolts securing the flywheel to the torque converter.
Tighten
Tighten the flywheel to torque converter bolts to 60 N.m (44 lb ft).
- Install the torque converter cover. Refer to TORQUE CONVERTER COVER REPLACEMENT in Automatic Transaxle - 4T80-E.
- Install the oil pan to transaxle brace.
Tighten
Tighten the oil pan to transaxle brace bolts to 50 N.m (37 lb ft).
- Connect the post HO2S at the sensor pigtail. Refer to OXYGEN SENSOR WIRING HARNESS HEAT SHIELD REPLACEMENT
in Engine Exhaust.CAUTION: When installing the intermediate shaft make sure that the shaft is seated prior to pinch bolt installation. If the pinch bolt is inserted into the coupling before shaft installation, the two mating shafts may disengage. Disengagement of the two mating shafts will cause loss of steering control which could result in personal injury.
- Connect the intermediate shaft to the steering gear.
- Install the pinch bolt.
Tighten
Tighten the intermediate shaft to steering gear pinch bolt to 45 N.m (33 lb ft).
- Connect the A/C suction hose to the compressor.
Tighten
Tighten the A/C suction hose nut to 20 N.m (15 lb ft).
- Connect the A/C discharge hose to the compressor.
Tighten
Tighten the A/C discharge hose nut to 20 N.m (15 lb ft).
- Connect the A/C pressure sensor.
- Connect the 2 rear brake pipes at the rear of the engine frame.
Tighten
Tighten the brake pipes to 15 N.m (11 lb ft).
- Connect the front brake pipes to the retainers at the body frame rails.
- Install the nuts (2) securing the front brake pipe frame brackets (1) to the body frame rails.
Tighten
Tighten the brake pipe frame bracket nuts to 15 N.m (11 lb ft).
- Connect the secondary AIR inlet hose to the secondary AIR pump.
- Install the front fascia extensions. Refer to FASCIA EXTENSION REPLACEMENT - FRONT in Bumpers.
- Install the front air deflector. Refer to AIR DEFLECTOR REPLACEMENT - FRONT in Body Front End.
- Attach the front wheel speed sensor electrical leads (2) to the body frame rail.
- Install the rear exhaust manifold pipe. Refer to EXHAUST MANIFOLD PIPE REPLACEMENT - REAR (L47) in Engine Exhaust.
- Install the front wheels. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
- Lower the vehicle ONLY enough to allow the threaded holes in the strut to align with the holes in the strut towers.
- Install the right and left side strut tower bolts.
Tighten
Tighten the strut tower bolts to 45 N.m (33 lb ft).
- Lower the vehicle.
- Remove the J 42640
from the steering column.
Important: Ensure the transaxle oil cooler pipe is positioned upwards while tightening.
- Connect the lower transaxle oil cooler pipe fitting to the radiator.
Tighten
Tighten the transaxle oil cooler pipe fitting to 35 N.m (26 lb ft).
- Install the upper transaxle oil cooler pipe retaining bolt to the fan shroud.
Tighten
Tighten the transaxle oil cooler pipe retaining bolt to 6 N.m (53 lb in).
- Push the upper transaxle oil cooler pipe into the radiator quick connect fitting, until a click is heard.
- Tug gently on the cooler pipe to ensure proper retention.
- Slide the plastic cap (1) over the quick connect fitting.
- Install the 2 master cylinder brake pipes (1) to the BPMV (2) using the location recorded during the removal procedure.
Tighten
Tighten the brake pipes to 15 N.m (11 lb ft).
- Connect the heater hoses (1, 2) to the heater pipes.
- Connect the surge tank inlet hose (2) to the surge tank (1).
- Position the J 38185 to the clamp in order to connect the radiator outlet hose (2) to the thermostat housing.
- Position the J 37097-A to the clamp in order to connect the radiator inlet hose (1) to the engine.
- Install the shift cable (1) to the manual shift lever (2) and the bracket.
CAUTION: In order to avoid possible injury or vehicle damage, always replace the accelerator control cable with a NEW cable whenever you remove the engine from the vehicle.
In order to avoid cruise control cable damage, position the cable out of the way while you remove or install the engine. Do not pry or lean against the cruise control cable and do not kink the cable. You must replace a damaged cable. - Install a NEW accelerator control cable to the throttle body. Refer to ACCELERATOR CONTROL CABLE .
- Install the cruise control cable (2) to the throttle body lever (1).
- Slide the cruise control fully into the throttle body bracket until it snaps into place.
- Install the bolt (1) securing the engine ground cable (2) to the right side body frame rail.
Tighten
Tighten the engine ground cable bolt to 50 N.m (37 lb ft).
- Connect the wiring harness electrical connectors to the following components:
- The PCM.
Refer to POWERTRAIN CONTROL MODULE .
- The C101 (1)
- The engine electrical harness.
Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems.
- The PCM.
- Install the nut (1) securing the battery positive cable to the remote positive terminal.
Courtesy of GENERAL MOTORS CORP.
Tighten
Tighten the battery positive cable to remote positive terminal nut to 12 N.m (106 lb in).
- Attach the secondary AIR relay (1) to the relay bracket.
- Install the air cleaner assembly.
- Connect the hose (4) to the evaporative emission canister purge valve (3).
- Connect the fuel inlet and return quick-connect fittings at the fuel rail. Refer to FUEL LINE DISCONNECT FITTINGS .
- Connect the vacuum brake booster hose to the vacuum connection.
- Position the intake manifold sight shield (1) to the engine.
- Install the 2 intake manifold sight shield nuts (2).
Tighten
Tighten the intake manifold sight shield nuts to 3 N.m (27 lb in).
- Connect the battery negative cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Engine Electrical.
- Fill the engine with oil. Refer to ENGINE OIL AND OIL FILTER REPLACEMENT .
- Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
- Bleed the hydraulic brake system. Refer to MANUAL BLEEDING or PRESSURE BRAKE BLEEDING .
- Recharge the A/C refrigerant system. Refer to REFRIGERANT RECOVERY AND RECHARGING in Heating, Ventilation and Air Conditioning.
- Bleed the power steering system. Refer to BLEEDING THE POWER STEERING SYSTEM in Power Steering System.
- Measure the wheel alignment. Refer to MEASURING WHEEL ALIGNMENT in Wheel Alignment.