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        General >> Problems >> Cooling fan temp sender
        
(Message started by: jonnycab on Mar 28^th, 2006, 12:11am)

Title: Cooling fan temp sender
Post by jonnycab on Mar 28^th, 2006, 12:11am

My cooling fan temp sender & housing has just popped out and with it most of my coolant. The housing is hexagonal but does not screw in, it just seems to fit into a hexagonal hole in the manifold. How is it supposed to stay in? It looks as though it had come out before as there was a load of what looks like isopon holding it in.

Title: Re: Cooling fan temp sender
Post by jonnycab on Mar 28^th, 2006, 10:38pm

Had a look at it today. The hexagonal hole in the plastic manifold has a split on one edge...hence the housing (hexagonal brass fitting) didn't fit flush & had been isoponed in by previous owner (West Ham United F.C. (budget premiership team),).
Rather than pay out for a replacement manifold I managed to patch it up with steel putty & now it seems to be holding firm. So everything okay for now, but if it pops out again...does anyone know how much a second hand manifold is?

Title: Re: Cooling fan temp sender
Post by sector-9 on Mar 28^th, 2006, 10:50pm

Be careful - don't forget the cooling system is pressurised (the pressure increases with temperature) and unless the repair is strong enough to withstand both then it will almost certainly fail again (anti-freeze has a 'searching' action for leaks, etc).

Something you may want to consider - assuming you can get to the inside of the manifold (I haven't seen one) - is those large repair washer type things from a plumbers merchant, as featured on toilet cisterns. You would put one either side of the existing hole then fit the sensor and hold with a large nut on the inside which should make for a good repair.

Darre

Darren

Title: Re: Cooling fan temp sender
Post by jonnycab on Mar 28^th, 2006, 11:31pm

Huh!!

Title: Re: Cooling fan temp sender
Post by jonnycab on Mar 28^th, 2006, 11:37pm

The nut is holding. I've used steel putty before to re-build an alluminium thermostat housing on my MK1 Granada & it is still holding strong 5 years later. This is good stuff, so i'm confident that it won't be forced out again.