- Joined
- Dec 7, 2010
- Posts
- 24,599
- Reaction score
- 6,055
- Location
- Southeast PA
- First Name
- Paw Paw
- Truck Year
- 2007
- Truck Model
- Chevrolet Tahoe LT
- Engine Size
- 5.3, 4WD
I'll have to keep an eye open at PAP for that.
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I'll have to keep an eye open at PAP for that.
I like keeping a running list in my thread, so many new ideas pop up here and I can run and add it to the list. Scary thing if you happen to forget it you run across something and a member from here pops right into your head, like you when I saw that metal covered heater housing. I noticed the diaphragm was metal and that made me do a double take.
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Excellent images. Hope you don't mind - here they are combined as a continuous PDF. No password, just download (ignore the hype and click "free download") and unzip:
https://rapidshare.com/#!download|334p6|219952106|HVAC air handling - both sides.rar|11341|0|0
One thing I've learned about posting (even the most innocent material) to filesharing sites - if you try to download while you're at work, forget it - it will be blocked. You have to wait till you get home.
I just finished replacing the heater core and my advice is don't remove this screw. It is better to use a pair of arc joint pliers and remove the pin in the white plastic piece that always breaks. It was impossible for me to get my hands and a 5/16 wrench in there to tighten it. I was able to remove it though!
This is the white plastic piece i was referring to in the previous post. Anyone find a fix for this or a place to buy one cheaply?
Take out the glovebox. Behind the glovebox is the climate control box. There will be a piece of ductwork that you need to remove from the climate control box. It should be held in place with 2 screws to the box and another screw that attaches it to the next ductwork piece above it. Carefully remove the ductwork out of the way and you should see this:
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The rusty piece of metal in the middle of the picture is the blend door. The white(ish) piece of plastic that is attached to it is the clip that usually breaks and causes the blend door to not function properly. You can buy replacement clips through parts houses like LMC or Classic Parts, or you might still be able to order them directly through GM. Here's the GM number just in case you want to go that route #3018715. Do not attempt to buy used clips from the junkyard as the plastic degrades over time and becomes brittle. Using a used clip will cause you to have to revisit this fix in short order.