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thanks works fine now

I am also interested as I also use the block of wood.
Dave

You can get that foam in a spray can, it expands when sprayed.   I didnt bother reading the instructions sprayed a small container full it about doubled and I threw the whole lot away and started again so I can confirm comment it goes crazy when reaction starts.  It says on can it can be sanded but I never tried one can did a fair size area.

it wasnt this one but something similar

http://www.homedepot.com/p/GREAT-STUFF-16-oz-Gaps-and-Cracks-Insulating-Foam-Sealant-162848/100003351

Dave

Thanks all, there is plenty there to keep me going for a bit, I wont get to it this weekend, but I am dropping down to 4 days work a week in April so I should then get some time to play. 

I thought about the suggestion to get a high pressure cleaner and blast the shit out of the block but to be honest I wasn't sure where I should blast.  I should have done that when the water pump was off.  I also thought about taking the welsh plugs out to see if the motor was gunked up as this was my initial thought of the cause, but I was a bit worried to do that  I seem to recall my brother taking some out of his kingswood once and that they were silver round plugs about 1 inch across but that is all I know of them.  Are they on the side of the motor under the manifold on a 202?  if so that sounds like a real pain in the arse.  I suppose I could go an look. How many are there is it 1 per cylinder, is it something a novice should attempt?

I have no idea what temp the thermostat is, I didnt notice any markings but it opened in boiling water.  I wouldnt have anything to test what temp it opened at, probably easier to get another one.  Similarly with the radiator cap, cant see anything that says but will take another look.

Sammy re 

just be careful with the long and short shaft ones, they usually require a specific water pump pulley

  the pumps are identical the only difference was the length of the shaft after the pulley, the longer one goes through the fan blade centre and sticks out the other side a bit, the shorter one stops 5mill past the pulley, it would be better if it went through the fan but the fan has 4 bolts that hold the fan central so it should be OK, the fan didnt wobble when the bolts were loose so it cant mount off centre.

I will start with the radiator anyways.

thanks for your help, I will let you know how I get on when I get to it.
Dave


 

Thanks for the responses, it seems I am on the right track.  I was just hoping it was not likely to be that the cooling channels in the motor had all rusted up like the water pump and thermo had.  The radiator doesn't look buggered but it is small, 4 cyl engines often have bigger radiators.  There seems to be room for one a fair bit bigger and wider so I may try this later.  I guess if it is the motor I will have a nice radiator for when it is fixed.

Lots of the van has given up on me due to inactivity, my next game is to find where all the fuel is running out something has corroded away and 15litres of fuel disappeared without even having to start the motor.  My temporary solution of a 5l tin strapped to the passenger seat (while I sort out the motor) probably doesn't quite meet safety standards.  I reckon the tank has rusted.  I haven't played with motors for 20years so lots of relearning and new learning will be required.

Dave