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i have a L200 4x4 d radiator loosing water through d overflow bottle and it not pulling it back TBF model, temp guage staying cool

Give it a flush, change coolant and check that the radiator cap is working and is the right rating.

Should be 0.9

looks like the rad cap is at fault..

Radiator cap is de culprit, had that same problem last week. Check the cap, there are two rubber seals, one on top the other on the bottom. If they are hard, the cap needs to be changed.

ok i core out the radiator change the cap with the pound pressure and the same problem any other suggestions all the water just trowing out help !

what's the condition of the thermostat? "temp gauge staying cool"

that's really odd.. since it's only through the overflow bottle, either the cap or the cap housing has to be at fault.. is the new cap sealing properly? also, is your thermostat working properly?

i take out the thermostat it has none in the system .in addition to the cap is seating good so it good .the temp does read normal in the sence that it does be ah lil over the first mark ever since i get the van it so .

you do know it's bad for your engine to NOT have a thermostat.. there has been many discussions on it in the tech forum, i strongly recommend putting one back in..

"i take out the thermostat it has none in the system"

best of luck to you, i done there.

taking out the thermostat should only be done for troubleshooting 9to determine if it is at fault)

after that is to replace it

Sounds like your cylinder head gasket has a leak.
After a long run does it bubble alot in the over flow bottle?

^^ what he said..

yes sniper 3000, i get bubbles on long run, the original head cracked in january 09.bought a new one from kawal auto supplies,ah gettin fed up.

change engine

4D56T selling in bamboo marketing

check yuh temp gauge too, you could be damaging the engines cuz your temp sensor or reciever giving you a wrong reading, fooling you to think it running cool...

( or TL prob touch yuh van and yuh din even know
)

btw - please try and put back een the termostat.

when you changed the head did you check the block?also the head gasket maybe not seating properly on both sides or defective gasket,check your dipstick after a run if there is water droplets on the dip stick the water is passing through the gasket, change engine is a better bet.

The gasket was leaking,put on new one and running it to see if problem solved,if not, well another engine. Thanks fellas u all were very helpful.

Slimklim,

change engine

4D56T selling in bamboo marketing

If you have the cash now change it.
It will cost you more in the long run if you keep fixing the old one.

Also, the block might have needed machining before putting on the new head.. all of the above.