Question about 2001 Isuzu Trooper
48,000 miles, shift on the fly 4x4 (does NOT have T.O.D.). Beginning just before last winter, the front axle does not engage (in other words, it does not go into 4x4 mode when I press the dash switch). Everything else is perfect, but when I press the dash switch for four wheel drive, the dash 4x4 icon blinks but the front axle will not engage. At idle I hear a 'ca-clunk' noise when I press the switch, so it's obviously trying to engage something.
SOMETIMES, if I press the 4x4 switch BEFORE starting the vehicle after it has been sitting all night, the front axle WILL engage, and the dash 4x4 icon will stay lit, and the vehicle will operate in four wheel drive mode just fine...but when I turn the 4x4 switch off, then on again while I drive, the dash light will just flash and it will not go back into 4x4. HELP PLEASE! A Canadian winter is on its way!!
Hi guys i would check all the small vacume pipes that conect the sol valves toi the vacume actuators having just replaced the engen in mine i found that these do not have any clips holiding them on tight and can get oil on them and become oversized and leak you can test the diaframes in the actuators by putting a length of pipe on one port and sucking by mouth you can hear the actuator move and then find you can put toung on end of pipe and it will hold a vacume if it does not then chances are the actuator diafram id u/s hope this helps bill
Posted on Jan 09, 2009
I had the SAME problem. I replaced the VACUUM SOLENOID. It is easy to replace but expensive part. After replacing it, everything worked. People don't know that the grease in the solenoid does need "exercise" throughout the year. Engaging it and disengaging it once a week all year round driving it at least 3 miles while exercising it.
Posted on May 01, 2014
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Posted on Jan 02, 2017
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-------------These details will help.Thanks.
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