I'd be lying if I said easy, even though its the 3rd time I've done it... but you only generally need to do it once per van... and be prepared for a nasty shock .
First part of the job is to get one of those containers with a lot of little compartments so you can separate and keep safe all of the screws, caps etc.
Make sure the underfloor tank is switched off and the isolator valve shut off under the sink. You should also disconnect the earth strap from your leisure batteries to be safe. Unplug the fridge under the sink. There are two unions on the L joint on the gas pipe... its easier to undo the lower one, you then need to undo the screw that holds the tiny pipe clip so you can pull the pipe down and out of the L.
Then you need to take off the door and the fascia, simple enough, I used a sharp chisel to prise the screw caps off, then you pull the right side of the fascia forward then pull the whole fascia to the right to disengage the lip that runs down the left hand side.
After getting the fascia off i took a pencil and drew down the formica both sides of the front of the fridge so it was easy to get the screws and gas pipe back in.
Then you have to find the "4 secret screws" if you look in the left hand top cubby hole (next to the fridge) there is a hole with a screw in it. If you lift the floor of that cubby hole up you'll find the next screw. There are two (shorter) corresponding screws in the undersink cupboard, hidden in the formica.
Now undo the two screws that cover the grill on the rear left hand side. There should be a small exhaust pipe going to the vent. Also note through the hole how the exhaust pipe is higher at the back than the underneath of the grill so you can't pull the fridge straight out without it fouling.
So now you should be able to grab the fridge and wiggle it forwards. The exhaust pipe is just pushed on to the back of the vent and may need a help off. If all you want to do is the buttons you only need to get it forward a few inches. But to be honest, in for a penny, you may as well take the whole thing out and give it a quick once-over, as per this post http://www.brick-yard.co.uk/forum/forum_posts.asp?TID=33700&KW=&PID=256340&title=westy-fridge-wanted#256340 - http://www.brick-yard.co.uk/forum/forum_posts.asp?TID=33700&KW=&PID=256340&title=westy-fridge-wanted#256340 , the fridge has probably been gathering dust, cobwebs, old sweets and food, and harbouring rust for twenty years. If its been unused for 10 years, I don't know if its old wives tale about turning it upside down for a day but Pete Headley did it when he serviced mine and it would happily make ice afterwards so i do the same.
Its a bit like taking the dash out but quicker !! I hope I haven't put you off... just giving you the tips while I remember...
Plus the gas mode is by far the most useful. I am pretty sure your little "pyramid" has snapped like mine and you can replace it with a small piece of plastic as I did. If I were you, take pictures and make notes as you dismantle the buttons.
Stefvan
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