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owners manual Hummer H2
owners manual Hummer H2 - year of production: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 - Hummer H2 owners manual EN
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from owners manual to the vehicle Hummer H2, year of production 2002 - 2010:
If No Steam Is Coming From If there is still no sign of steam, push down the
Your Engine accelerator until the engine speed is about twice as fast
as normal idle speed for at least three minutes while
The ENGINE COOLANT HOT message, along with ayou are parked. If you still have the warning, turn off the
low coolant condition, can indicate a serious problem.engine and get everyone out of the vehicle until it
If you get an engine overheat warning, but see orcools down. Also, see “Overheated Engine Protection
hear no steam, the problem may not be too serious.Operating Mode” later in this section.
Sometimes the engine can get a little too hot when you:You may decide not to lift the hood but to get service
• Climb a long hill on a hot day. help right away.
• Stop after high-speed driving. Overheated Engine Protection
• Idle for long periods in traffic.Operating Mode
• Tow a trailer. See Towing a Trailer on page 4-63.If an overheated engine condition exists and the
If you get the ENGINE COOLANT HOT message withREDUCEDENGINEPOWERmessageisdisplayed, an
no sign of steam, try this for a minute or so:overheat protection mode which alternates firing
1. Turn on your heater to full hot at the highest fangroups of cylinders helps prevent engine damage. In
speed and open the windows as necessary.this mode, you will notice a loss in power and engine
performance. This operating mode allows your vehicle to
2. If you are in a traffic jam, shift to NEUTRAL (N);be driven to a safe place in an emergency. Driving
otherwise, shift to the highest gear whileextended miles (km) and/or towing a trailer in the
driving — DRIVE (D). overheat protection mode should be avoided.
If you no longer have the overheat warning, you canNotice: Afterdrivingintheoverheatedengine
drive. Just to be safe, drive slower for about 10 minutes.protection operating mode, to avoid engine damage,
If the warning does not come back on, you can driveallowtheenginetocoolbeforeattemptinganyrepair.
normally. Theengineoilwillbeseverelydegraded.Repairthe
If the warning continues and you have not stopped, pullcauseofcoolantloss,changetheoilandresettheoil
over, stop, and park your vehicle right away.life system. See Engine Oil on page 5-14.
5-28
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year of production from: 2002
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Hummer H2 owners manual
pages 355 - 361
Hummer H2 owners manual
page 358 / 502
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Hummer H2 manuel du proprietaire FR
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