Vehicle & Technical > Discovery

Still overheating 300tdi....saga continues

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mark.yellow.series.3:

--- Quote from: "jnoshea" ---Just a thought but could it be a problem in the drivetrain. I'm guessing that if there is too much friction somewhere like the wheel bearings and axles that the engine would have to work much harder to overcome this. Could explain poor acceleration, power and overheating?  :?
--- End quote ---


i think the power loss would have to be very noticable for it to overheat the engine.
i would bet its the head.

bilge rat:
how long have you had the prob . did anything trigger it off in the first place, that a bar and lights is restricting the air flow to the rad a fair bit . know it sounds daft but had a prob with a 200, but only when towing .put it down to wipacs .removed them it was ok. as said is the rad core clear, when ya say head prob thought the norm on a 300 was to blow the gasket out at no4 ,making like a ticking noise ?. alan.....

daggie:
cracked/fecked head  :?:

winchman:
Cant you get a test kit where ytou take a sample of rad water and it tells you if combustion products are getting in the water? think Snap on do them so others must, or am I dreaming?
Have you tried a pressuretest?

bilge rat:
used to use a block test when checking petrols. picks up exhaust gases in the cooling system, dont ever recalling it being used on deisels though. you could take all the glow plugs out, make a union or something to screw into the glow plug whole. one by one set the cylinder your testing to tdc on the firing stroke lock the engine (hand/brake on in gear) then pressurize the cylinder with air. brim the header tank with water and watch to see iff ya get any air bubbles come through. it will tell you which cyl is leaking . narrows it down a bit. alan.......

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