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Dodge Dakota Climate Control

114 messages,  Last post on Jul 24, 2008 at 9:36 PM

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#105 of 114 It's Gotta Be The A/C Clutch, Right? by captcrunch Jul 02, 2008 (5:31 pm)
On my 2K 4.7 Quad the a/c may function perfectly for hours/miles then suddenly go AWOL for 10-15 minutes. I've tried to find patterns of conditions that trigger it but never came up with a solid explanation. As a last resort I wired a small 12v bulb to the plus side of the a/c clutch and put it just in front of the windshield so I could know when the system is supplying voltage to engage the clutch. That revealed that that the compressor was not turning even though all the sensors, relays, binary brain, etc under the hood were telling it to run. Does it sound to the brain trust here that the most reasonable explanation is a an intermittent - maybe temperature related - open in the a/c clutch magnetic coil? Is that the first thing to replace?
#106 of 114 Re: one shot A/C [dleahy] by ejwells Jul 03, 2008 (1:02 pm)
Replying to: dleahy (Jun 21, 2008 12:59 am) Me too. The AC on my 98 may work for 5, 10 or 15 minutes....only The Shadow knows. I am anxious to hear what others suggest. I have noticed two things - 1) Revving the engine 2-3 times will often cause the AC to kick back in; and 2) The compressor is not turning when the AC is not working, but you can start it by manually spinning the clutch (careful!).   Thanks! Replies to this message: bpeebles (Jul 03, 2008 6:08 pm)
#107 of 114 Re: one shot A/C [ejwells] by bpeebles Jul 03, 2008 (6:08 pm)
Replying to: ejwells (Jul 03, 2008 1:02 pm) Starting the AC compressor takes a LOT of torque. I beleive that the clutch plates (friction surfaces) on the AC clutch may get warn out with use. Also, any oil has been spilled onto these friction-surfaces can reduce their effectiveness too.   I beleive the friction plates on the AC clutch are replacable... this may restore like-new performance . I beleive NAPA has the AC clutch for under $100.   Another check you can do is to pull the connector off of the AC-clutch and use an ohmmeter.... if it has infinate resistance, then the coil is bad.
#108 of 114 2002 Dodge Dakota Climate Control by ironcity1 Jul 10, 2008 (4:43 pm)
Today i went to use the A/C and it would only kick on when the fan was on High. Did some checking and the fan does not work at all only on the High setting. Do i need to replace the whole climate control unit or not to fix this. Replies to this message: dakota968 (Jul 11, 2008 10:23 am) ironcity1 (Jul 12, 2008 10:11 am)
#109 of 114 2002 Dodge Dakota Climate Control by ronslakie1 Jul 11, 2008 (4:47 am)
Your problem is that the variable resistor needs to be replaced. It is behind the glove box and costs around $20 from the dealer. It is an easy do it yourself job. You might want to do a search on this forum as this has come up very frequently in the past.
#110 of 114 Re: 2002 Dodge Dakota Climate Control [ironcity1] by dakota968 Jul 11, 2008 (10:23 am)
Replying to: ironcity1 (Jul 10, 2008 4:43 pm) The resistor is the most likely (and cheapest/easiest) cause. By your user name I'm assuming you're in Pittsburgh (I am as well). I picked up a new resistor at West Liberty Dodge for around $13. It's a newer and better designed unit and takes about 5 minutes to replace. It's located under the glove box. 2 screws, 5 minutes, and $13 bucks. It's worth a shot. Replies to this message: ironcity1 (Jul 12, 2008 10:11 am)
#111 of 114 Re: 2002 Dodge Dakota Climate Control [dakota968] by ironcity1 Jul 12, 2008 (10:11 am)
Replying to: dakota968 (Jul 11, 2008 10:23 am) Thanks for all your help. I grew up there moved away in 1985. Live in MD now. Went to dealer on the way home from work pick up the part for $21.00 and works great now. Thanks again for all your help.
#112 of 114 climate control (1993 Dodge Dakota V6-3.9L) by moretin Jul 23, 2008 (11:02 am)
First time user. When the heater or A/C is on and blowing, it only comes through at the windshield, no matter what button I push. I was able to go under the dash and find a box that when I put my hand inside and pushed on a door to open, then the air come through the cab. When I released the door it shut and the air went back to the windshield. Thanks for any help. Replies to this message: kcram (Jul 23, 2008 7:14 pm) moretin (Jul 24, 2008 9:36 pm)
#113 of 114 Re: climate control (1993 Dodge Dakota V6-3.9L) [moretin] by kcram HOST Jul 23, 2008 (7:14 pm)
Replying to: moretin (Jul 23, 2008 11:02 am) That is the blend door, and yours is malfunctioning. Dodge dealers are used to this repair.   kcram - Pickups Host Replies to this message: moretin (Jul 24, 2008 9:36 pm)
#114 of 114 Re: climate control (1993 Dodge Dakota V6-3.9L) [kcram] by moretin Jul 24, 2008 (9:36 pm)
Replying to: kcram (Jul 23, 2008 7:14 pm) Thanks for the info. I went there before I posted this message and he told me that the heater box needed to replace. I couldn't find anything about a heater box so I tried Edmunds. Thanks again.

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