i have a 4355 mf tractor that had a bird nest in it and caught on fire i had to replace thermostat and temp sender and a few other things after i had it fixed tractor started running poorly so i took it to one of my neighbors took injector pump off sent it to diesel injection for repairs pump had metal shavings in it put pump back on and water pump started leaking i have since put on three new water pumps and all of them leak after about 5 hrs,could this problem be caused by an idler gear failure or the fire or could it be something else i need to be looking for any help would be greatly appreciated

edwina, September 2009

Now then.. I've had a similar problem with my Scania wagon, no fire but water pump problems. You may have no coolant in the pump, Scania has to be filled with coolant from the bottom hose to purge air, Peugeot cars are notorious for airlocks & have bleeders on. One would just imagine you tip the coolant in & done,, but just check for air eh.. All engines should have coolant made from water/antifreeze mixed at 33 0r 50%, never plain old water

W, December 2009