Question about 2003 Isuzu Ascender

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My 2003 Isuzu ascender heating sistem some times works and then quit

The heating blower quits any time and doesnt start again

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 375 Answers

SOURCE: 92 isuzu rodeo overheating still

hey
u says that u didn't replace the thermostat yet
Your thermostat is sticking. DO NOT DRIVE if the car overheats, you can do some serious engine damage, if you haven't done so already. Get the thermostat changed out immediately.

What happened is your thermostat is sticking. It was stuck and you saw it overheat (and should have stopped immediately). The added pressure from having a stuck thermostat pushes the fluild into the overflow.

The temperature may have gone back to normal if the thermostat "finally" opened. However, since the thermostat is sticking, it is unreliable and I would get it replaced.

Driving when the engine overheats can easily cause gaskets, such as the head gasket to fail and heads to warp. If this has occurred, you're looking at a new engine.

Posted on Jul 13, 2008

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  • 16 Answers

SOURCE: Isuzu Ascender Fuel Filter

The fuel filter is located under the truck just inside of the frame rail almost directly below the rear seat on the driver side .

Posted on Nov 15, 2008

  • 4 Answers

SOURCE: 1998 Isuzu Hombre heater works sometimes, sometimes doesn't

Sounnds like a thermostat sticking open at times, or, the temperature regulator inside the vehicle is malfunctioning.

Posted on Mar 27, 2009

agent91
  • 2100 Answers

SOURCE: 2001 isuzu rodeo doesnt always start. new

Dirty terminals, happens all the time. Did you have the battery tested? Or just know it's OK? Did you check the water? How about the electrolytes? Get the terminals cleaned off with a wire brush, and scrape the insides, make sure they are tight. I have replaced more batteries this week, must be the weather. One was stone dead, 5 volts and still started the car?? Couldn't believe it, good car. The other 2 were dead with 12+ volts but wouldn't start anything, both got new terminals, and both got cleaned up. NO problems. Check it out. Lastly, the solenoid in the starter could be bad if everything else checks out, whack it with a hammer while turning the key, if it jumps, you found it.

Posted on Jun 10, 2010

  • 97 Answers

SOURCE: My lever that controls the

The blower motor has a resistor attached to it that probably has gone bad. When you use the fan select switch, power is sent through one of the resistor channels to control the speed of the blower motor.

You can test to see if the resistor is completing the ground circuit by connecting a wire from ground and touching it on one of the resistor terminals. If the blower motor comes on, then the speed control switch may be bad ( or the wiring harness is not making the connection). If the blower doesn't kick on, then try touching the ground wire on the negative side of the motor. The motor should rotate. If not the motor is bad. If it does rotate, the resistor is bad.

Posted on Apr 16, 2011

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Mechanic took a look at my A/C in my 2005 Isuzu Ascender. Told me it was the blower and thats why there is no sound at all. Installed a new Blower and it still doesn't work? Attempting to put...


You have a leak and it should be located and fixed first. But if fill is what you want, you need to locate the fill valve which is on the suction line to AC. Has a valve on it like a tire valve.

Purge manifold of air by opening it a little to let out some gas and then connect to fill valve. Open freon tank valve full and get us much out as you can. Turn upside down and shake heck out of it. Then turn can over, start engine and turn AC on and run engine to about 3000 rpm with AC set for full blast. Keep adding gas until the suction line gets cold and starts to sweat. Then stop. Ac will work as long as it has enough gas - when low the low pressure valve will open and cut off all power to the AC clutch assembly. Then time to refill again.

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Mechanic took a look at my A/C in my 2005 Isuzu Ascender. Told me it was the blower and thats why there is no sound at all. Installed a new Blower and it still doesn't work? Attempting to put R


Mathew, more than likely it's your blower motor resistor. These will tend to melt and or the connections will melt, making your switch useless. Suggest also replacing the pigtails, these will melt also. Next to the low beam headlight problem, this is 2nd most popular thing to go wrong.

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I have only high speed on my ac/heat switch. have replace acdelco blower motor resistor 2 times already. works for a while and quits. whatelse do I need to check etc?.


If you have replaced the blower motor resistor block twice all ready, i would be replacing the blower motor itself. When the blower motor is drawing too much current it burns out resistors for lower fan speeds in resistor block, but doesnt blow fuse for fan. Also check for leaves and stuff in fan when removing fan.

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2003 Buick Regal. Intermitent problem. Cruise control and heat/ac blower quit working at the same time. Then works again after the car is turned off and sits for a while.


if you check in your handbook for the car under relays and fuses check both fuses or relay for burn marks you could have a problem with the fuse board

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Ac doesnt work


Might be a loose connection - Or simply the blower motor - In which case the blower motor would need to be replaced.

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Did you try changing the Fuel Filter?  That did it for my Kia Sorento 2004.

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