AC Blend door "clip"? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

09-16-2021, 05:51 PM

hatzie

Moderator

Join Date: Oct 2008

Location: Wentworth, NH

Posts: 5,049

Re: AC Blend door "clip"?

Quote:

Originally Posted by Jeepwm69

This is an 83. I have the cable for hot/cold working well, but the blend door (assuming I'm using the proper term for the door that the clip attaches to) just seems to flap back and forth.

Guessing the engine has to be running (to produce vacuum) but what else makes it move back and forth? I want to make sure everything is working as it should before I put all the ductwork etc back in place.

You can apply vacuum to the HVAC vacuum accumulator tank and test the operation of the control valves and motors.
This is supposed to be the HVAC Vacuum diagram for a K5.
Name: HVAC K5 Vacuum.jpg
Views: 2113
Size: 28.9 KB

Name: HVAC K5 Vacuum.jpg
Views: 2113
Size: 28.9 KB

__________________
1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8

RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...

Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.

Bookmarks

« Previous Thread | Next Thread »

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules

Forum Jump

All times are GMT -4. The time now is 06:44 PM.



Register or Log In To remove these advertisements.

Register or Log In To remove these advertisements.