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Long Beach

Joined: 21 Mar 2015
Posts: 6159
Location: Brighton

PostPosted: Fri Jun 23, 2017 6:40 pm    Post subject: 981 Splilt Coffee on the Heater Panel. Reply with quote

One for future reference 981 heater controls .. coffee split on them and now the buttons are stuck .

I had the pleasure of one of these this week , no pictures im afraid as it was a waiting job so no time .

Remove the side panels , they pull out at the back and sides and at the front they pull forward to remove .

Remove PCM , get someone to hold it whilst you unplug it .. it IS a 2 man job , x4 T30 screws .. you cant miss them .

X2 spring clips hold the heater panel in place , push them with your fingers and lift it out ( they are at the sides of the unit ).

I removed the plugs in order starting with the power plug so left side then middle then right side .. it can make a difference on some cars the order they are removed and refitted so thats how i did it .. and it all worked afterwards Smile

Heater panel on bench ...

Undo the X4 T6 torx screws and gently pull the back panel off.

Undo the X6 T6 torx screws on the circuit board and gently lift up.

Lift off the rubber matting which is the switch contact pad.

DO NOT turn the switch pack upside down at this point .

The rocker switches have removable plungers and will fall out .

Remove each switch pack in turn and i used a bowl of warm soapy water .. wash the ones that stick untill they move .

For the rocker switches you do the same but be aware the plungers will fall out .. they just push back in but you need to be aware of it so none go missing Smile

Refit in reverse and job done .. takes about 1.5 hours to do start to finish .

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Fast & Furious
Fast & Furious

Joined: 04 Oct 2010
Posts: 8143
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Fri Jun 23, 2017 9:33 pm    Post subject: Reply with quote

A mate had a similar issue in his Cayman and I advised IPA and cotton buds, this had stopped some of his PCM buttons working, it eventually dried out and started working again.

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