Question about 2006 Hummer H2
We I start the vehicle in the morning it idles fine, but when I put my foot on the brake and put it in Drive the vehicle won't Idle.
Second problem... I put it in 4 wheel drive low and it will not come out, Tried everything, I hear and feel activity when I press the 4HI and the 4HI LOCK buttons but the lights only blink and won't go solid. Could it be the motor actuator on the transfer case?
I would start by checking the shift solenoids down on the transfer case. These are what actually shift the transfer case from 2WD to 4WD. See if anything looks loose. Check the connections etc.
Posted on Jul 30, 2009
Shifting between Four-Wheel High and Four-Wheel-High Lock With the
vehicle traveling less than 75 mph (120 km/h), press and release the
Four-Wheel High or Four-Wheel-High Lock button.
It may be necessary to drive backwards while turning for a distance of 25 feet (7.5 m) to get the lock feature to disengage.
Shifting into Four-Wheel Low Lock Notice: Shifting the transmission into gear before the indicator light stops flashing could cause damage to the transfer case. Always wait until the indicator light stops flashing before putting the transmission back in gear. To shift into Four-Wheel-Low Lock, the ignition must be in ON/RUN and the vehicle must be stopped or moving less than 3 mph (5 km/h) with the transmission in N (Neutral). The preferred method for shifting into Four-Wheel Low is to have the vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Press and release the Four-Wheel-Low Lock button. If the vehicle has a manual transmission, the clutch pedal must be pressed to the floor while you press the Four-Wheel-Low Lock button, or the shift will not be completed. You must wait for the Four-Wheel-Low Lock indicator light to stop flashing and remain lit before shifting the transmission into gear. It is normal for the vehicle to have engagement noise and bump when shifting between Four-Wheel Low and Four-Wheel High ranges or from Neutral. If the Four-Wheel-Low Lock button is pressed when the vehicle is in gear and/or moving too fast, the Four-Wheel-Low Lock indicator light will flash for 15 seconds and not complete the shift.
Posted on Jul 30, 2009
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Posted on Jan 02, 2017
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Manufacturer GENERAL MOTORS CORP. Recall Date: 02/04/2004 Potential Number Of Units Affected: 68,875 Description SERVICE BRAKES, HYDRAULIC Summary CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE. Consequence CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE. Remedy DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON APRIL 26, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.
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