I have the MBRP as well. Great sound. It's not exactly quiet on my 06 3.7L. You can hear it from inside the house. A bit of a drone at certain speeds too. Maybe I made a mistake on the install?
Try recirculate for a few minutes , it might recover. Mine has this same problem. I have the most trouble on anything with floor airflow. Only happens when it's been running for a while.
You might find that it's more reliable on straight defrost (no floor).
Thanks for the tip.
Switching to recirculate no longer works. Drove home last night with no defrost or any other. Fans can be heard working at all speeds, but only a tiny amount of air leaks out anywhere. Very annoying this time of the year.
Last time I caught it doing this there was a...
Update. Vacuum gage drops to 10 when misbehaving and moves around quite a bit when changing the air flow selector. Putting it on circulate for a few seconds seems to restore functionality.
The check valve behind the glove box is ok. Maybe a leaky actuator or selector knob.
Any resolution on this?
I have the same issue. It doesnt happen very often in my case. Usually after driving more than 30mins, or pulling a trailer.
The actuators are very slow in my case as well. They take several seconds to transition.
I have added a vacuum gauge tee'ed to the incoming...
+1
I just changed out the boomerang today and did exactly that. It was rusted in pretty good. Nothing that an air hammer couldnt fix. Took the bracket off and clean out the rust with a dremel. Packed it full of sticky grease for next time.
Just did this today. Thanks for all the tips!
I ended up taking off the painted body section.
Then removed the drivers side fog light. The bolts for the are right there. Got the rear one with a long extension and universal. Front one is actually under the fog light . I dremelled a hole in...
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