2003 Hummer H2 Support Question
2003 Hummer H2 Support Question
Find answers below for this question about 2003 Hummer H2.Need a 2003 Hummer H2 manual? We have 1 online manual for this item!
Question posted by Phshomewrk on September 12th, 2012
2003 Hummer H2 Oil Pressure Issue
How can I determine if it's my oil pump or sensor. Pressure starts out fine (high but no warnings)when engine warms fluctuates erratically and warnings on dash display display. Oil changed every 3k miles since new. 96k miles
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Related Manual Pages
Owner's Manual - Page 2
... you have a problem while driving, such as a flat tire or overheated engine, etc.
It also explains the air bag system. It also gives you when...This section tells you how to adjust the ventilation and comfort controls and how to use .
The 2003 HUMMER H2 Owner's Manual
1-1 2-1 3-1 4-1 5-1 6-1 7-1 8-1 Seats and Restraint Systems
This section tells ... to start and operate your vehicle.
Owner's Manual - Page 3
... and H2 is a trademark of Canada Limited" for HUMMER whenever it appears in U.S.A. For vehicles first sold in Canada, substitute the name "General Motors of General Motors Corporation. We support voluntary technician certification. This manual includes the latest information at the time it was printed. We reserve the right to make changes after...
Owner's Manual - Page 174
... is not covered by a dangerously low oil level or other problems causing low oil pressure. Canadian vehicles indicate pressure in the low pressure zone may vary with engine speed, outside temperature and oil viscosity, but readings above the low pressure zone indicate the normal operating range.
The oil pressure gage shows the engine oil pressure in psi (pounds per square inch) when...
Owner's Manual - Page 177
... your vehicle. These warnings must be dealt with immediately and therefore can not be cleared until the problem has been corrected. C (Personalization): This button will appear on .
B (Fuel Information): This button will display the current driver and the information that can not be acknowledged (cleared) are: ENGINE OVERHEATED, OIL PRESSURE LOW, REDUCED ENGINE POWER, TRANS HOT...
Owner's Manual - Page 180
... Fuel range cannot be reset.
So, be calculated starting from that may affect the oil. The display will be continually updated each time you can drive ...displayed to determine fuel range is gradually updated. To reset the Oil Life System press and hold the select button for five seconds while ENGINE OIL LIFE is low. Also, the oil change reminder will then be sure to display...
Owner's Manual - Page 188
...safe temperature. DIC Warnings and Messages
Warning messages are displayed on the DIC to notify the driver that the status of the low oil pressure has been corrected. ENGINE COOLANT HOT If the...changed . Some messages may be cleared from the DIC display. CHANGE ENGINE OIL This message is more urgent. Adding coolant will appear in the DIC. If there is displayed when the engine oil ...
Owner's Manual - Page 247
These characteristics are essential to ground clearance (B) while maintaining a low silhouette and a low center of gravity. High Mobility Characteristics
The HUMMER H2 has a 12 inch (30.5 cm) running ground clearance (A) and a 9 inch (22.8 cm) axle to safety in off-road operation.
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Owner's Manual - Page 248
Design specifications required a minimum gradeability of 37_ (B).
The HUMMER H2 has an approach angle of 42_ (A) and a departure angle of 60% (31_) slope, with the vehicle fully loaded, on high friction surfaces at 6 mph (9.7 km/h).
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Owner's Manual - Page 249
Also, specifications required that the HUMMER H2 be able to traverse a 40% (22_) side slope at 6 mph (9.7 km/h) while fully loaded on high friction surfaces.
The HUMMER H2 can climb a 16 inch (40.6 cm) vertical step.
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Owner's Manual - Page 255
... your vehicle can and can 't control your tires perpendicular to 12 inches (30.5 cm) in 4LO Lock and "walk" the HUMMER H2 over . If you will stall. Using the proper technique, the HUMMER H2 will cross logs up them , you have any vehicle. Driving on hills requires good judgment and an understanding of what...
Owner's Manual - Page 274
... Fluid: Is the reservoir full? Try to -date maps? such as after a day's work -- If you must start when you 're ready.
Here are vitally important to help if you have it .
D Fuel, Engine Oil, Other Fluids: Have you delay your route? Are the lenses clean? Are the tires all levels? Should you...
Owner's Manual - Page 335
... Service Fuel Fuels in Foreign Countries Filling Your Tank Filling a Portable Fuel Container Checking Things Under the Hood Engine Oil Engine Air Cleaner/Filter Automatic Transmission Fluid Rear Axle All-Wheel Drive Engine Coolant Coolant Surge Tank Pressure Cap Power Steering Fluid Windshield Washer Fluid 6-30 6-33 6-34 6-40 6-41 6-49 6-49 6-53 6-57 6-58...
Owner's Manual - Page 348
... does not carry this starburst symbol. If you have your oil changed for you, be sure the oil put into your vehicle can be sure the oil you use has the starburst symbol on the front of Engine Oil to perform the engine oil change service yourself, be identified by the American Petroleum Institute (API). If you choose to...
Owner's Manual - Page 349
... and keep it is necessary for your oil as soon as SAE 5W-30. It is also important to change will need for fuel. Both will come on driving conditions, the mileage at extremely low temperatures.
You should look for your oil.
A CHANGE ENGINE OIL message will provide easier cold starting and better protection for and use...
Owner's Manual - Page 350
... reset accidentally, you change your oil prior to a CHANGE ENGINE OIL message being turned on, reset the system. Anytime your oil is changed , reset the system so it in the Index for information on your last oil change. The CHANGE ENGINE OIL message must change your dealer, a service station or a local recycling center for very long. See the manufacturer's warnings about the use . If...
Owner's Manual - Page 362
... cool down, wipe the cap and the top of fluid to prevent coolant loss and possible engine damage from overheating. NOTICE:
Your coolant surge tank pressure cap is a leak in the Index. Failure to Use
To determine what kind of the reservoir clean, then unscrew the cap and wipe the dipstick with a clean...
Owner's Manual - Page 375
...your tires can cause accidents. Overinflated tires are more likely to maintain the recommended pressure. D Overloading your Hummer Warranty booklet for details. You could cause serious injury. See "Loading Your ... hit a pothole. Tires
Your new vehicle comes with high-quality tires made by a sudden impact -- Keep tires at the recommended pressure. CAUTION: (Continued)
D
D
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Owner's Manual - Page 388
... as calcium chloride and other salts, ice melting agents, road oil and tar, tree sap, bird droppings, chemicals from your vehicle... chimneys, etc., can help to keep the paint finish looking new by hand may cause water to remove foreign matter. Your vehicle...clean chamois or an all-cotton towel to the colored basecoat. High pressure car washes may be flushed promptly and not allowed to clean...
Owner's Manual - Page 409
... brake cable guides. Reset the system. A CHANGE ENGINE OIL message will indicate that oil life has been diminished, it at the proper level. Lubricate chassis components with each engine oil and filter change is changed . Remember to check your last oil change is changed . This is also important to reset the oil life system whenever the oil is necessary. It is based on...
Owner's Manual - Page 424
... could indicate a problem; More frequent lubrication may need to have it repaired, if needed. Brake System Inspection
Inspect the complete system. Check vent hose at engine oil change intervals, check front axle and transfer case and add lubricant when necessary. You may be required on off-road use. Transfer Case and Front Axle...
