Hello I was wondering if it has a lot of hose and how easy it is to change these ?? where to buy them??? And how you guys change the rear gasket on the top oil filter ?? thanks for the info you guys make a nice job on this forum:)

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what exactly are you talking about.

Like oil and coolant lines?

Are you asking about the oil drain hose and the seal that seals that to the block?

The rear gasket on the top oil filter... Are you talking about the gasket that goes between the oil filter adapter and the block?


At any rate, you can call any of the parts places, if they don't have it, then it may very well be a dealer only part.

Yes I'm talking about these coolant line ! my dmax is loosing coolant right where the engine block and the tranny connect ! So yes is the turbo coolant hoses and the little plate on the back of the engine block ! so I was wondering how easy is to change the gasket and the hoses ! How many hoses there is on the turbo ??? :)

You either have a coolant leak from the head gasket area that is running to the back of the block and dripping there, the coolant line to the turbo leaking into the valley of the engine and running back to the back of the block or the rear cover of the engine itself is leaking. There is no gasket on the rear cover, there are o-rings. There is a gasket where the oil cooler hooks to the back cover.

Either way you need to find the leak exactly and go from there. Turbo line leaking isn't that bad, everything else is a major repair.

Yes I'm talking about these coolant line ! my dmax is loosing coolant right where the engine block and the tranny connect ! So yes is the turbo coolant hoses and the little plate on the back of the engine block ! so I was wondering how easy is to change the gasket and the hoses ! How many hoses there is on the turbo ??? :)

Look by the wastegate, thats the turbo coolant feed line, its about 3-4inchs long and maybe 1/2inch in diameter. The turbo coolant outlet line is under the 6.6L Diesel cover and runs right into the upper radiator hose housing. its about the same size as well.

Thanks for the info :) Its not a head gasket it's been like this for a while and no sing on head gasket ! Does it have a post that a guy shows how to chage the gasket ??? thanks :))

Forgot to add that there is another coolant hose for the turbo, right in the middle of the engine by the fan pulley, that little bugger is the other end of the line for the turbo coolant feed line. I just replaced mine tonight cause it was leaking, had a pin hole in it. What a PITA

I've been watching all the hoses and nothing look wet but where the trans meet up with the engine its very wet at the right side where the starter is!! the head gasket is dry ! so dont really know what is going on do I have to remove the turbo to see what is going on what do you guy check that out I can see a sh!! of what is going on !! Sorry for long replies work out of town ! :(

There is a small rectangular cover on the right side of the rear plate, up behind the downpipe. I was told that the gasket under this cover is prone to leak. You may want to check that.

do you have to remove the down pipe to check that out ?? Cant see anything!

No, you shouldn't have to. If you were looking at the engine from the rear, its at the 2 o'clock position. The dipstick may cross in front of it, too.
Id get a flashlight and look through the pass wheel well, or in behind the fuel filter. Good luck (or do I say bonne chance?) to you. I hope you find the cause.

Yes you say bonne chance :) but I'd say it's a very good luck cause I remove the inner fender and I cant even see a thing I will look again tomorrow but I need to go take a ride to make sure the engine is warm up because it wont leak coolant at all !

It was the housing flywheel coolant gasket that was leaking coolant so I'm changing this gasket but its a pain in the a$$ to remove it ! I dont want to know how it goes to put it back on ! I left the exhaust on ! so I'll see if I need to remove it or not ! hope not !