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Just realised that MussieRon's car is a 240 Jaguar. That being the case it was never fitted with a shroud for the radiator. My car was an unmolested 2.4 (1967) and it had never been fitted with one. In fact, despite the fact that my car now sports a 4.2 engine, I have retained that radiator BUT I have fitted a shroud to focus the cooling.
one of the odd things about the 240 is the thermostat housing that's connecter to the upper radiator hose. It is then connected to the water pump thru a small horn shaped hose that is hard to find and difficult to install.
If you wanted to fit a shroud to your radiator the threaded fixing points/brackets should be there even though the 2.2/240 never had one fitted (they fitted the same radiator to the 340. HOWEVER, you may have problems as being a shorter block I would presume the fan will sit lower down as well and therefore no sit in the circular shroud (thought I'd make you aware before you went out and bought one). Regards Keith
Hi Keith
Think I'll wait untill I've got my car next to someone who has one fitted and do some measuring. Never had an overheating problem and it was only because it looked like it was missing that I started asking questions. Also because I thought my radiator must be different due to the fact it has an expansion tank when 240s were not supposed too.
I've come across a few MK2's (all engine sizes) with an expansion tank fitted. What a lot of people don't realise is that when you check the water level in the radiator it SHOULDN'T be near the top as is the case with modern cars - the water level should be just visible to allow for expansion when it gets hot (I made this mistake and had hot water dumped on the driveway after a run. I also contemplated fitting a seperate tank but never did).
Keith. Once it’s ‘dumped’ the overfill, that by rights should have sorted out its correct level. With an expansion tank set up, am I right in saying that the expansion tank should be kept half full of fluid to start off with?
Talking of fluids, what’s yours or anybody’s thoughts on water or glycol coolant for these engines. Any do’s, don’ts or avoids? Ron
In theory you're correct regarding the dumping of overflowing water. Having not fitted an expansion tank I couldn't comment regarding half-filling etc. When I fitted the 4.2 engine to my MK2 I had some problems with it getting too hot. After experimentation with different thermostats and fitting the radiator cowl my problem was resolved. As far as antifreeze is concerned, I've used the recommended 'green' antifreeze without a
problem. It's ESSENTIAL to use antifreeze as not only does it protect during cold spells it also prevents corrosion of the waterways (particularly the head studs which sit in the water passages and are liable to snap when
corrosion gets a hold).
That number is NOT a Jaguar part number (MK2 parts would have a 'C' or 'BD' before a number - if its been re-cored at some time (highly likely) then it could just be the repairers number. The layout & look of your radiator is almost certainly a 240/340 version (you can tell because of the right-angled inlet at the top (240 & 340 used the same radiator - C28969 for Manual or C28970 for Auto). Your rad looks exactly the same as mine. If you're intending to do any restoration/repairs in the future yourself I would definitely purchase a genuine Parts Manual and Workshop Manual - worth their weight in gold !
