discovery td5 radiator drain

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gazzab

New Member
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31
Tomorrow i intend to put new coolant in my disco never done on td5 can anyone advise where plug to drain rad is and with this removed can i then remove expansion cap and place hose in expansion tank to flush through?
 
Drain plug is in coolant rail under car just beyond front bumper. 13mm socket, if you undo this make sure you have a new washer.

Otherwise just disconnect top hose, radiator hoses and heater hoses and get flushing.

Remember it is a 50/50 mix of OAT coolant and water. Bleed thoroughly as per RAVE.

T
 
HI HEDGEHOG
is the washers a problem and if i do remove drain plug will i then be able to flush just by removing expansion tank cap dont really want to cause air locks etc just going on a 600 mile trip so would like to have enough coolant in car with cold weather expected? this is my first td5 so any full advise would help i have bought oat red antifreeze so will this be ok?
 
ive drained my system afew times using the same washer, no leaks yet...

For draining system undo expansion tank cap leave a rag over the opening to stop crap going in there and undo drain plug on bottom near front bumper, if you still have your undershield fitted then theres an access panel there you have to open first
 
HI HEDGEHOG
is the washers a problem and if i do remove drain plug will i then be able to flush just by removing expansion tank cap dont really want to cause air locks etc just going on a 600 mile trip so would like to have enough coolant in car with cold weather expected? this is my first td5 so any full advise would help i have bought oat red antifreeze so will this be ok?

I would leave the drain plug alone and just disconnect hoses I said before. Then flush away into all the pipes you have disconnected and the header tank. Nice low pressure for 15 mins

Red OAT is the stuff 50/50 with water. I always warm the mix before adding it just to speed things up :)

TONY
 
I would leave the drain plug alone and just disconnect hoses I said before. Then flush away into all the pipes you have disconnected and the header tank. Nice low pressure for 15 mins

Red OAT is the stuff 50/50 with water. I always warm the mix before adding it just to speed things up :)

TONY
hi tony just attacking this one now myself
taking the drain nut out is not an option for me as it is in solid and the faces have worn so I'm going to disconnect the hoses.
is this all laid out in the rave?
 
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