Vehicle & Technical > Discovery

chuffing V8

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pas:
i think its on number 7 as that spark plug was "washed" in comparison to the others last time and this time it was wet (with water) so my last attempt (as when the heads were skimmed they said the heads were good) to sort it is iv'e ordered some "CarGo Seal up" that I think someone recommended to me in the past as being good stuff. so this is it if it doesn't sort it i goes its new engine time

will let you know if it works

Range Rover Blues:
I think it's cargo seal my mate sells as a heavy duty repair, do you have to drop all the antifreeze to do it?

He sells a 2 part fix with a bottle of K-Seal to fit and forget once you've done the first treatment.  It does work.

disco-v8:
this cargo seal up....

on the instructions its says:-

empty radiator system
fill up with fresh water
run engine till hot and all valves are open
add seal up
run untill leak stops??????????????????????????????
empty cooling system and flush out all seal-up
leave for 3 hours to set
fill with water and anti freeze

well if youve got a cracked block like alot of rover V8's how are you ment to know when the crack is filled and when to flush the cargo seal-up out????

or do you just risk it and leave it in to make sure, and flush it out and let it set after a day or two?????

Range Rover Blues:
I guess you keep running it untill it doesn't misfire from the wet plug and doesn't steam anymore.

Improtantly though the stuff I'm familiar with will set if it comes into contact with antifreeze, so you need to flush very thoroughly ie twice.  You can leave it for more than 3 hours too.  Perhaps drive it around for an hour then let it cool down, once cool then drop the water and leave it overnight.

pas:
shouldnt be any problem with antifreeze as the amount of water i've hd to put in it recently (probably over 20l) and the fact that i NEVER put antifreeze in staight after a rebuild after having to drop the water again  too many times (gets a bit expensive :twisted: ) but yes its that stuff,

i think with mine it would be obvious in that the water will stop gurgling out of the expansion bottle (was going to put a vid clip attachment but it doesn't recognise the file extension) ah well I guess we'll see when i get back from my hols

cheers

Paul

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