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Hummer H3For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.
Is there a you tube video on the replacement? How hard is it to get at.
I was going to replace the valve cover gasket until I watched what was involved on you tube
sure someone could find it but I couldn’t find pick up tube vid or full oil pump vid
Is there a you tube video on the replacement? How hard is it to get at.
I was going to replace the valve cover gasket until I watched what was involved on you tube
If you are intimidated by the valve cover, skip the videos and write a check. I seem to recall there are some vids on timing chain replacements for the Atlas motors (I4; I5; I6 all basically the same up front). This would assume that your problem is in fact a bad oil pickup seal/O ring?
Not the same, but similar in concept. This is a pic of my Alpha when I did a cam swap. After removing the front LH8 cover had to lower the oil pan by loosening al the bolts to get that extra 3/8"-1/2" clearance to get the oil pickup tube bolt out and remove the oil pump so I could replace the chain and oil pump seal while I was in there.
To replace the pick up tube, motor has to come out of the truck.
If you are intimidated by the valve cover, skip the videos and write a check. I seem to recall there are some vids on timing chain replacements for the Atlas motors (I4; I5; I6 all basically the same up front). This would assume that your problem is in fact a bad oil pickup seal/O ring?
Not the same, but similar in concept. This is a pic of my Alpha when I did a cam swap. After removing the front LH8 cover had to lower the oil pan by loosening al the bolts to get that extra 3/8"-1/2" clearance to get the oil pickup tube bolt out and remove the oil pump so I could replace the chain and oil pump seal while I was in there.
To replace the pick up tube, motor has to come out of the truck.
yk I thought motor had come out so you have pull whole motor for pick up tubes because they told me they replaced mine but if they had removed motor I call bs on them
You could leave the motor in, but have to remove the front Diff to get the Oil Pan off so you can do the Oil Pick Up Tube. Not much can go wrong with a metal pickup tube. To get the front Diff out you have to remove the front half shafts after removing the hubs from the spindles. Probably easier to pull the motor give or take, six or one-half dozen thing......?
yk I thought motor had come out so you have pull whole motor for pick up tubes because they told me they replaced mine but if they had removed motor I call bs on them
Those are great instructions except for skipping to tell you that the engine is on a stand, or the front diff is removed from the truck before you can follow the oil pan instructions.
I did hear about some guy (forget where) that removed the oil pan by removing the motor mounts and jacking the engine up about 6 inches under the Transmission to get just enough clearance with the diff still in? That might be an option.
Those are great instructions except for skipping to tell you that the engine is on a stand, or the front diff is removed from the truck before you can follow the oil pan instructions.
I did hear about some guy (forget where) that removed the oil pan by removing the motor mounts and jacking the engine up about 6 inches under the Transmission to get just enough clearance with the diff still in? That might be an option.
Look again "pull diff downward".....ENGINE STAYS INTACT TO PULL OIL PAN! Yes, oil pan removal is easier on a stand yet you have to remove the engine:
Engine Replacement
Tools Required
J 38185 Hose Clamp Pliers
J 44220 Engine Lift Bracket
Removal Procedure
Fig. 245: Radiator Inlet Hose
Courtesy of GENERAL MOTORS CORP.
Fig. 246: PCM & Engine Wiring Harness PCM Connectors
Courtesy of GENERAL MOTORS CORP.
Fig. 247: Power Steering Pump & Engine Wiring Harness Retainers
Courtesy of GENERAL MOTORS CORP.
Fig. 248: CMP Sensor Connector, Exhaust Camshaft Actuator Connector & Engine Wiring Harness Retainer
Courtesy of GENERAL MOTORS CORP.
Fig. 249: ECT Sensor, Fuel Injector, Ignition Coil & HO2S Engine Wiring Harness Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
Fig. 250: Engine Wiring Harness Connections To Camshaft Cover & Throttle Body
Courtesy of GENERAL MOTORS CORP.
Fig. 251: Intake CMP Sensor Engine Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.
Fig. 252: Engine Wiring Harness Conduit
Courtesy of GENERAL MOTORS CORP.
Fig. 253: Identifying Air Conditioning (A/C) Compressor Evaporator Hose Bracket Bolts
Courtesy of GENERAL MOTORS CORP.
Fig. 254: View Of A.I.R. Injection Pipe Cover
Courtesy of GENERAL MOTORS CORP.
Fig. 255: Identifying J 44220
Courtesy of GENERAL MOTORS CORP.
Fig. 256: Inlet Heater Hose Quick Connect
Courtesy of GENERAL MOTORS CORP.
Fig. 257: Power Steering Pump & Mounting Bolts
Courtesy of GENERAL MOTORS CORP.
Fig. 258: Identifying Right Engine Mount-To-Frame Bracket Bolt
Courtesy of GENERAL MOTORS CORP.
Fig. 259: Identifying Engine Wiring Harness Retainer At Engine Wiring Harness Bracket
Courtesy of GENERAL MOTORS CORP.
Fig. 260: Intake Manifold & Attachments
Courtesy of GENERAL MOTORS CORP.
Fig. 261: A/C Condenser Line Bolt & A/C Compressor
Courtesy of GENERAL MOTORS CORP.
Fig. 262: A/C Evaporator Line
Courtesy of GENERAL MOTORS CORP.
Fig. 263: A/C Compressor & Bolts
Courtesy of GENERAL MOTORS CORP.
Fig. 264: View Of Wiring Harness Retainers
Courtesy of GENERAL MOTORS CORP.
Fig. 265: Locating Positive Battery Cable
Courtesy of GENERAL MOTORS CORP.
Fig. 266: Generator/Starter Wiring
Courtesy of GENERAL MOTORS CORP.
Fig. 267: EVAP Canister Purge Solenoid Valve Engine Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.
Fig. 268: KS Engine Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.
Fig. 269: Engine Wiring Harness Retainers
Courtesy of GENERAL MOTORS CORP.
Fig. 270: View Of J 38185
Courtesy of GENERAL MOTORS CORP.
Fig. 271: Engine Wiring Harness
Courtesy of GENERAL MOTORS CORP.
Fig. 272: EVAP Lines & Clips At Manual Transmission
Courtesy of GENERAL MOTORS CORP.
Fig. 273: EVAP Lines & Clips At Automatic Transmission
Courtesy of GENERAL MOTORS CORP.
Fig. 274: Mounting Bracket To Frame Bolts
Courtesy of GENERAL MOTORS CORP.
Fig. 275: Transmission Oil Cooler Pipe Bracket Bolt
Courtesy of GENERAL MOTORS CORP.
Fig. 276: Inspection Plug
Courtesy of GENERAL MOTORS CORP.
Fig. 277: Service Slot Plug
Courtesy of GENERAL MOTORS CORP.
Fig. 278: Transmission Mounting Bolts
Courtesy of GENERAL MOTORS CORP.
Fig. 279: Left Engine Mount-To-Frame Bracket Through Bolt
Courtesy of GENERAL MOTORS CORP.
Fig. 280: Transmission Mounting Bolts & Engine Dowels
Courtesy of GENERAL MOTORS CORP.
Fig. 281: Engine Lift Chain
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Ensure clearance is maintained between the engine and the following:
The A/C compressor
The A/C hoses
The engine mounts
The engine wiring harness
The fuel hose/pipes
The heater outlet hose/pipe
The power steering pump
The transmission input shaft (manual only)
The transmission oil cooler pipes (automatic only)
Remove the hood. Refer to Hood Replacement .
Recover the A/C system. Refer to Refrigerant Recovery and Recharging (Non HP2) .
Remove the radiator. Refer to Radiator Replacement .
Remove the cooling fan. Refer to Fan Replacement (LLR) .
Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
Remove the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and Outlet Duct Replacement .
Position the J 38185 to the clamp (3) in order to remove the radiator inlet hose (2) from the water outlet housing (4).
Remove the washer solvent container/coolant recovery reservoir mounting bolts ONLY, in order to gain clearance to remove the engine wiring harness. Refer to Windshield Washer Solvent Container Replacement .
Disconnect the 2 engine wiring harness connectors from the powertrain control module (PCM).
Remove the engine wiring harness clips from the wheelhouse.
Disconnect the engine wiring harness retainers (1) from the power steering pump (2).
Disconnect the engine wiring harness connectors from the following components:
The electric motor actuator connector
The oil pressure switch
Disconnect the engine wiring harness retainer (2) from the camshaft cover (3).
Disconnect the engine wiring harness connectors from the following components:
The exhaust camshaft position (CMP) sensor (5)
The exhaust camshaft actuator (6)
Disconnect the engine wiring harness connectors from the following components:
The engine coolant temperature (ECT) sensor (1)
The fuel injector harness (2)
The ignition coils (4)
The heated oxygen sensor (HO2S) (5)
Disconnect the engine wiring harness retainer (3) from the camshaft cover (4).
Disconnect the engine wiring harness connector (2) from the throttle body (1).
Disconnect the engine wiring harness connector from the intake CMP sensor.
Carefully disengage the engine wiring harness conduit from the camshaft cover.
Remove the transmission filler tube, if equipped. Refer to Transmission Fluid Filler Tube and Seal Replacement (3.7L) or Transmission Fluid Filler Tube and Seal Replacement (5.3L) .
Remove the air conditioning (A/C) compressor evaporator hose bracket bolt from the cylinder head.
Fig. 282: Engine Mount
Courtesy of GENERAL MOTORS CORP.
NOTE: Refer to Fastener Notice . Fig. 283: Engine Lift Chain
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Ensure clearance is maintained between the engine and the following:
The A/C compressor
The A/C hoses
The engine mounts
The engine wiring harness
The fuel hose/pipes
The heater outlet hose/pipe
The power steering pump
The transmission input shaft (manual only)
The transmission oil cooler pipes (automatic only)
Fig. 284: Transmission Mounting Bolts & Engine Dowels
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Ensure the torque converter turns freely while tightening the transmission mounting bolts (automatic only). Fig. 285: Transmission Mounting Bolts & Engine Dowels
Courtesy of GENERAL MOTORS CORP.
Fig. 286: Transmission Mounting Bolts
Courtesy of GENERAL MOTORS CORP.
IMPORTANT:
Ensure the studded mounting bolts (2) are located in the correct position.
The heater pipe (1) must be secured with the 2 upper mounting bolts.
Fig. 287: Inspection Plug
Courtesy of GENERAL MOTORS CORP.
Fig. 288: Transmission Oil Cooler Pipe Bracket Bolt
Courtesy of GENERAL MOTORS CORP.
Fig. 289: Service Slot Plug
Courtesy of GENERAL MOTORS CORP.
Fig. 290: Mounting Bracket To Frame Bolts
Courtesy of GENERAL MOTORS CORP.
Fig. 291: EVAP Lines & Clips At Automatic Transmission
Courtesy of GENERAL MOTORS CORP.
Fig. 292: EVAP Lines & Clips At Manual Transmission
Courtesy of GENERAL MOTORS CORP.
Fig. 293: Engine Wiring Harness
Courtesy of GENERAL MOTORS CORP.
Fig. 294: A/C Compressor & Bolts
Courtesy of GENERAL MOTORS CORP.
Fig. 295: A/C Evaporator Line
Courtesy of GENERAL MOTORS CORP.
Fig. 296: A/C Condenser Line Bolt & A/C Compressor
Courtesy of GENERAL MOTORS CORP.
Fig. 297: View Of J 38185
Courtesy of GENERAL MOTORS CORP.
Fig. 298: Engine Wiring Harness Retainers
Courtesy of GENERAL MOTORS CORP.
Fig. 299: KS Engine Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.
Fig. 300: EVAP Canister Purge Solenoid Valve Engine Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.
Fig. 301: Generator/Starter Wiring
Courtesy of GENERAL MOTORS CORP.
Fig. 302: Locating Positive Battery Cable
Courtesy of GENERAL MOTORS CORP.
Fig. 303: Wiring Harness Retainers
Courtesy of GENERAL MOTORS CORP.
Fig. 304: Left Engine Mount-To-Frame Bracket Through Bolt
Courtesy of GENERAL MOTORS CORP.
Fig. 305: Intake Manifold & Attachments
Courtesy of GENERAL MOTORS CORP.
Fig. 306: Engine Wiring Harness Retainer At Engine Wiring Harness Bracket
Courtesy of GENERAL MOTORS CORP.
Fig. 307: Right Engine Mount-To-Frame Bracket Bolt
Courtesy of GENERAL MOTORS CORP.
Fig. 308: Power Steering Pump & Mounting Bolts
Courtesy of GENERAL MOTORS CORP.
Fig. 309: Inlet Heater Hose Quick Connect
Courtesy of GENERAL MOTORS CORP.
Fig. 310: Identifying J 44220
Courtesy of GENERAL MOTORS CORP.
Fig. 311: A.I.R. Injection Pipe Cover
Courtesy of GENERAL MOTORS CORP.
Fig. 312: Air Conditioning (A/C) Compressor Evaporator Hose Bracket Bolts
Courtesy of GENERAL MOTORS CORP.
Fig. 313: Engine Wiring Harness Conduit
Courtesy of GENERAL MOTORS CORP.
Fig. 314: Intake CMP Sensor Engine Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.
Fig. 315: Engine Wiring Harness Connections To Camshaft Cover & Throttle Body
Courtesy of GENERAL MOTORS CORP.
Fig. 316: ECT Sensor, Fuel Injector, Ignition Coil & HO2S Engine Wiring Harness Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
Fig. 317: CMP Sensor Connector, Exhaust Camshaft Actuator Connector & Engine Wiring Harness Retainer
Courtesy of GENERAL MOTORS CORP.
Fig. 318: Power Steering Pump & Engine Wiring Harness Retainers
Courtesy of GENERAL MOTORS CORP.
Fig. 319: PCM & Engine Wiring Harness PCM Connectors
Courtesy of GENERAL MOTORS CORP.
Fig. 320: Radiator Inlet Hose
Courtesy of GENERAL MOTORS CORP.
Install an engine lift chain to the engine lift brackets and attach to an engine lift device.
Remove the engine from the engine stand.
Ensure the torque converter is fully engaged with the transmission oil pump (M30 only).
Position the engine mounts to the engine.
Install the engine mount bolts until snug, following the installation sequence.The engine lift device may have to be raised or lowered slightly to install these bolts.
Tighten the bolts using the installation sequence.Tighten: Tighten the engine mount bolts to 50 N.m (37 lb ft).
Carefully lower the engine into the engine compartment, aligning the engine dowels with the transmission.
Align the engine dowels (1) with the transmission.
Loosely install the 2 transmission mounting bolts (2).Ensure the dowels (1) are fully engaged into the transmission.
Remove the jack from under the vehicle.
Lower the engine fully on to the engine mounts.
Remove the engine lift chain from the engine lift brackets.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Tighten the 2 transmission mounting bolts (2) previously installed.Tighten: Tighten the transmission mounting bolts to 50 N.m (37 lb ft).
Install the remaining transmission mounting bolts.Tighten: Tighten the transmission mounting bolts to 50 N.m (37 lb ft).
Align the torque converter to flexplate/flywheel orientation marks made during the removal procedure (automatic only).
Repeat the following steps for all 3 torque converter bolts (automatic only):
Rotate the harmonic balancer center bolt clockwise ONLY, in order to access the torque converter bolt holes in the flexplate/flywheel through the service slot.
To aid in alignment of the torque converter to the flexplate/flywheel. Install all 3 torque converter bolts before fully tightening using one of the following:Tighten: Tighten the torque converter bolts to 60 N.m (44 lb ft).
Install the inspection plug (3) to the transmission (1) (automatic only).
Install the bolt (2) securing the transmission oil cooler pipe bracket to the right side of the engine oil pan rail (automatic only).Tighten: Tighten the transmission oil cooler pipe bracket bolt to 20 N.m (15 lb ft).
Install the exhaust seal. Refer to Exhaust Seal Replacement (LLR) .
Install the service slot plug.
Install the crossmember. Refer to Crossmember Replacement .
Position the differential carrier assembly to the frame.
Install the differential carrier assembly bushing to frame bolts.Tighten: Tighten the differential carrier assembly bushing to frame bolts to 152 N.m (112 lb ft).
Install the front propeller shaft. Refer to Front Propeller Shaft Replacement .
Install the fuel line clips to the brackets on the transmission (automatic only).Tighten: Tighten the fuel hose/pipe bracket nuts to 20 N.m (15 lb ft).
Install the fuel line clips to the brackets on the transmission (manual only).Tighten: Tighten the fuel hose/pipe bracket nuts to 20 N.m (15 lb ft).
Connect the engine wiring harness retainer (5) to the engine oil pan rail.
Install the 3 bolts securing the engine wiring ground leads (2) to the engine block.Tighten: Tighten the engine wiring ground lead bolts to 20 N.m (15 lb ft).
Lower the vehicle to chest level in order to access the components through the wheelhouse.
Connect the engine wiring harness connector (3) to the CKP sensor (1).
Install the A/C compressor and bolts, if equipped.Tighten: Tighten the bolts to 50 N.m (37 lb ft).
Install the A/C evaporator line to the compressor and install the bolt at the A/C compressor, if equipped.Tighten: Tighten the bolt to 16 N.m (12 lb ft).
Install the A/C condensor line to the compressor and install the bolt at the A/C compressor, if equipped.Tighten: Tighten the bolts to 16 N.m (12 lb ft).
Position the J 38185 (2) to the clamp (1) in order to connect the heater outlet hose to the heater outlet hose fitting (3).
Connect the engine wiring harness retainers (1, 2) to the A/C compressor and the engine oil pan rail.
Connect the engine wiring harness connector (3) to the # 2 KS (1).
Connect the coolant heater cord to the coolant heater, if equipped.
Connect the engine wiring harness connector to the EVAP canister purge solenoid valve.
Install the bolt (5) securing the battery negative cable ground terminal (4) to the engine block.Tighten: Tighten the battery negative cable to engine block bolt to 35 N.m (26 lb ft).
Connect the battery positive cable (2) to the starter and install the starter terminal nut (1).Tighten: Tighten the battery positive cable to starter terminal nut to 9 N.m (80 lb in).
Connect the lead (4) to the starter solenoid and install the starter solenoid "S" terminal nut (3).Tighten: Tighten the starter solenoid "S" terminal nut to 3.5 N.m (31 lb in).
Secure the following wiring harness retainers to the engine wiring harness bracket:
The battery cable
The engine (4, 6)
The MAP sensor (5)
Lower the vehicle.
Install the left engine mount-to-frame bracket bolt.Tighten: Tighten the engine mount-to-frame bracket bolt to 85 N.m (63 lb ft).
Connect the MAP sensor wiring harness retainer (4) to the intake manifold.
Install the MAP sensor. Refer to Manifold Absolute Pressure Sensor Replacement .
Connect the EVAP pipe at the purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service .
Connect the fuel feed pipe to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
Connect the engine wiring harness retainer to the engine wiring harness bracket.
Install the right engine mount-to-frame bracket bolt.Tighten: Tighten the engine mount-to-frame bracket bolt to 85 N.m (63 lb ft).
Position the power steering pump to the power steering pump bracket.
Install the power steering pump mounting bolts.Tighten: Tighten the power steering pump mounting bolts to 25 N.m (18 lb ft).
Connect the inlet heater hose quick connect (1) to the heater core (2).
Remove the J 44220 from the cylinder head.
Position the AIR pipe cover and NEW gasket to the cylinder head.
Install the AIR pipe cover studs.Tighten: Tighten the AIR cover studs to 25 N.m (18 lb ft).
Install the transmission filler tube, if equipped. Refer to Transmission Fluid Filler Tube and Seal Replacement (3.7L) or Transmission Fluid Filler Tube and Seal Replacement (5.3L) .
Position the A/C compressor evaporator hose bracket to the cylinder head and install the bolt.Tighten: Tighten the bolt to 9 N.m (80 lb in).
Engage the engine wiring harness conduit to the camshaft cover.
Connect the engine wiring harness connector to the Intake CMP sensor.
Connect the engine wiring harness retainer (3) to the camshaft cover (4).
Connect the engine wiring harness connector (2) to the throttle body (1).
Connect the engine wiring harness connectors to the following components:
The ECT sensor (1)
The fuel injector harness (2)
The ignition coils (4)
The HO2S (5)
Connect the engine wiring harness retainer (2) to the camshaft cover (3).
Connect the engine wiring harness connectors to the following components:
The exhaust CMP sensor (5)
The exhaust camshaft actuator (6)
Connect the engine wiring harness retainers (1) to the power steering pump (2).
Connect the engine wiring harness connectors to the following components:
The electric motor actuator connector (4WD only)
The oil pressure switch
Connect the engine wiring harness retainers to the wheelhouse.
Connect the 2 engine wiring harness connectors to the PCM.
Install the washer solvent container/coolant recovery reservoir mounting bolts. Refer to Windshield Washer Solvent Container Replacement .
Install the radiator. Refer to Radiator Replacement .
Position the J 38185 to the clamp (3) in order to connect the radiator inlet hose (2) to the water outlet housing (4).
Install the generator. Refer to Generator Replacement (LLR) .
Install the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and Outlet Duct Replacement .
Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
Install the cooling fan. Refer to Fan Replacement (LLR) .
Install the outlet radiator hose. Refer to Radiator Outlet Hose Replacement (LLR) .
Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac-N-Fill) .
Install the battery box. Refer to Battery Box Replacement .