Question about 2004 Chrysler Pacifica

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I have a small plastic part which has broken off

The actuator for the air plenum baffles has broken and I've been told I need a complete air plenum at $2600.00. It seems a little steep, is there any solution.

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I would try plastic weld or jb weld for plastic

Posted on May 08, 2010


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Vents won't blow hot or cold air. Comes from defrost and feet when you put fan on.

It's the vent actuator, it moves the baffle that changes the direction of the air flow.
Here is a video of a broken vacuum hose that creates the same problem.

It could also be a failed actuator.

Sep 19, 2016 | 1997 GMC Safari

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2006 nissan quest sl ac blows cold on pass side but not on driver side

I would replace the cabin filter. If it is clogged could be causing faults with the door blend actuator.

Jul 14, 2016 | Nissan Cars & Trucks

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Front blower is weak. Problem with both heat and A/C. Please help.

make and model ?????????
some chevrolet product have cabin air filter in plenum box
may need to get replaced may be pluged up

Jul 15, 2011 | Chevrolet Venture Cars & Trucks

1 Answer

Getting diagnostic error code 1004 on 2007 chrysler 300

P1004 is for the performance of the intake plenum's short runner valve actuator. This is an electrical actuator on the intake that opens and closes a valve in the plenum under certain driving conditions to provide better performance. There was a service bulletin for this code and is the first thing that needs to be done. Your dealer may have already done this, or is in the process of completing it with the repair you were quoted. The TSB involves reprogramming the software in the powertrain control module and then checking to see if the short runner valve actuator works correctly. After the software is updated then the actuator is commanded to sweep using the scan tool. If it doesn't sweep correctly then the actuator is removed and the valve is moved by hand. If any binding in the valve is felt then the intake plenum has to be replaced. If no binding is felt and the wiring to the actuator is intact, then the actuator will need to be replaced. It sounds from your description that this is what the dealer is doing. I would say that the software has been updated and they found that the short runner valve was binding, and the plenum needs to be replaced. It wouldn't cost $2,000 though. The plenum itself runs $449 and the labor to replace it shouldn't exceed two hours.

Feb 17, 2011 | 2007 Chrysler 300 AWD Sedan

2 Answers

Ac does not blow thru dash vents very hard just a little bit of cold air can be felt 05 1500 dodge truck

Dodges have issues with the plenum door actuators. You can read online for more information. Sounds like your plenum door either stopped where it was or went to a default ( closed) position. The plenum door mixes the air and moves to allow the desired temp air to pass thru it.
I think you can see the tip of the actuator shaft sticking down vertically from the bottom of the plenum box, just to the right of the transmission hump, where the passengers left toes would be. Most likely you will have to remove the complete plenum for repair. ( pain in the a**). Good luck.

Sep 08, 2010 | 2005 Dodge Ram 1500

2 Answers

Hot air comes out the passenger side when air condirioning is on.

The control module or actuator is most likely the cause. You can manually set it for cold air until winter. Actuator is under the dash right by the blower.

Aug 20, 2009 | 2004 Chevrolet Silverado

2 Answers

Heat flowing on passenger side only

your actuatior foe the drivers blend door is stuck. try unhooking battery for a few minutes have both on heat and hook back up and start up. the actuators will run thru a learn mode and sometimes this will free up.if not you will need an actuator

Dec 09, 2008 | 2005 Chevrolet Silverado

1 Answer


this is correct, there could be two possibilities, one is the blend door actuator which is mounted on the heater plenum and second is the actual blend door could be broken or binding, to check the actuator you need to remove the radio and if you look down at the heater plenum you will see (normally white) electric actuator. remove the actuator by removine the 3 8mm bolts, once it is out plug it back in and check the operation by changing the temperature from hot to cold, if it does move than the problem is in the plenum and will require replacement

Oct 04, 2008 | 1999 Ford Windstar

2 Answers

2000 GMC Jimmy Transmission Whine

Does it sound like a loud winding sound coming from the front right side? I have a 2001 Jimmy and the 4wd tries to engage when driving up steep hills and going at highway speeds. The actuator vacuum switch engaged when the transfer case vacuum switch sends the vacuumed air to the actuator. What is happening is their is either a leak in the vacuum lines, a faulty actuator switch, or a faulty transfer case vacuum switch. When the jimmy has enough air pulling in, the extra vacuum is trying to push the actuator switch in when it is not supposed to. It is a much cheaper fix than a transmission. GMC should have recalled the whole 4wd system on any of the S10's, the JImmy's, and Blazers.

Jul 30, 2008 | 2000 GMC Jimmy

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