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1999 S70NA Manual Climate Control MCC 3524842 Cable attachment

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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abscate
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1999 S70NA Manual Climate Control MCC 3524842 Cable attachment

Post by abscate » Wed Apr 24, 2019 3:10 pm

My passenger temp control was not regulating, reaching around the dash, I could feel the cable had popped off the MCC gudgeon, so I went to work

Unlike an ECC controller, the MCC controller is removed by unscrewing the rear part (the part you see) from the console frame, then unclipping the FRONT part (hidden in dash)

From there, you can manipulate it enough to reattach the cables with some tricks

Unclip the cable from the frame (snap in) so that it is free

The eye on the cable goes on the gudgeon, the wire gets retained by the C clip built into the plastic gudgeon

Put the eye on the shaft, then turn the temp knob hot to use the frame to retain it.

Tools

Torx T15 for screws
SPudger to release plastics frame and clips
Put a shot of silicone spray into top of each wire to make things move smoothly

Elapsed time 25 minutes


*** Be careful with that MCC - its a $450 part and eBay is no help - hard to find in PnP.
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1999 V70 T5M 56 2005 V70 NA M56 VWs BMW

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abscate
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Re: 1999 S70NA Manual Climate Control MCC 3524842 Cable attachment

Post by abscate » Wed Apr 24, 2019 3:13 pm

Picture Gallery
Attachments
Evita S70 MCC Cable Attachment - 2.jpg
Temperature knobs pop off, note T15 screw
Evita S70 MCC Cable Attachment - 1.jpg
Just grab and tug
Evita S70 MCC Cable Attachment - 5.jpg
Evita S70 MCC Cable Attachment - 4.jpg
Nice and easy on old plastic
Evita S70 MCC Cable Attachment - 3.jpg
Same on the pass side
Evita S70 MCC Cable Attachment - 10.jpg
Here is the driver side in correct position
Evita S70 MCC Cable Attachment - 9.jpg
Two plugs connect to REAR of MCC controller
Evita S70 MCC Cable Attachment - 8.jpg
Unclip two clips on each side of MCC controller, then push it forward
Evita S70 MCC Cable Attachment - 7.jpg
Evita S70 MCC Cable Attachment - 6.jpg
Rear side of MCC controller pulls forward, release with spudger on sides and top/bottom
Evita S70 MCC Cable Attachment - 13.jpg
Pass enter side installed correctly
Evita S70 MCC Cable Attachment - 12.jpg
Evita S70 MCC Cable Attachment - 11.jpg
Heres why passenger was always at constant Temperature!!
Evita S70 MCC Cable Attachment - 17.jpg
Working through hole, you can manipulate the controller to get wires connected correctly
Evita S70 MCC Cable Attachment - 16.jpg
I put the knob back on to go to COLD position to connect wire, then turn to hot to retain
Evita S70 MCC Cable Attachment - 15.jpg
Evita S70 MCC Cable Attachment - 14.jpg
Evita S70 MCC Cable Attachment - 19.jpg
Evita S70 MCC Cable Attachment - 18.jpg


1 SWMBO for 30 years
2 Volvos
3 VWs
4 Careers
5 cats/dogs/gears
6 Perfect Ladies in waiting
7 Drivers
8 Boats- with a big pointy metal thing on top

1999 V70 T5M 56 2005 V70 NA M56 VWs BMW

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Re: 1999 S70NA Manual Climate Control MCC 3524842 Cable attachment

Post by bmdubya1198 » Wed Apr 24, 2019 9:27 pm

Nice writeup. Those cables are a pain to work with, and the MCC unit is a lot more complicated to remove than the ECC. I'm currently removing the MCC unit from the 850. Fortunately this one works, so I'll give someone a good deal on it if they need it!


1998 V70 GLT Black/Beige 191k
2000 V70R Venetian Red/Black M56 Swapped 188k
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1988 744 Turbo M46 Beige Metallic/Beige 188k- Still kicking myself for getting rid of this one

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