Outer Limits 4x4 Board

hi all just a update i got a CO test done today and it is not good it is time to pull of the head well i ordered the head kit and all bits )
start on it this week i hope i kept you posted
Later Michael

Didnt know you could do a CO2 test on a TD42

Dave

went down the the radiator shop and it cost me $11.oo, about 10 mins later he was done !! and i know him so - i take it his right anway i'm about to start pulling the head off

later Michael

KIWI wrote:Didnt know you could do a CO2 test on a TD42

Dave

Listen mate every1 has there opinion, but we had the same problem, and we took the thermistat out and replaced the viscus hub (clutch fan) and the water pump and that was the end of the problemo.......just make sure you keep the oil changes up to ya engine and it will do its best to look after you......but hey im just a mere female and what do i know...............................mine is still going.....touch wood .

yer it looks like it but anyway i'm in boots and all now i started pulling the head of that will do for tonight anyway
a photo of where i'm up to !!!
later michael

Chook wrote:Listen mate every1 has there opinion, but we had the same problem, and we took the thermistat out and replaced the viscus hub (clutch fan) and the water pump and that was the end of the problemo.......just make sure you keep the oil changes up to ya engine and it will do its best to look after you......but hey im just a mere female and what do i know...............................mine is still going.....touch wood .

Ahh well if all else fails i know some1 in Bundy that is selling a cheap MQ wagon............goodluck with it.......

I still think if you have cooked it the rings may well be stuffed. Just make sure its not rings before putting the head back on, otherwise you'll be repeating the process. With the kms on it it may be worthwhile popping the pistons out and giving it a freshen up, providing the bores are ok and measure up correctly. With new rings in it then it will take a turbo. A freshen up isn't that hard to do and you already have the head off. Of course if you are certian it is the head and only the head then I would leave it.

Sorry I am not trying to confuse you, just passing on the crap I have been thru before.

Mate i think the rings are ok but i will have a look at the time thanks for the tips a turbo would be great a mate want to do the head up and get a turbo to bolt on to it

Red Rover wrote:I still think if you have cooked it the rings may well be stuffed. Just make sure its not rings before putting the head back on, otherwise you'll be repeating the process. With the kms on it it may be worthwhile popping the pistons out and giving it a freshen up, providing the bores are ok and measure up correctly. With new rings in it then it will take a turbo. A freshen up isn't that hard to do and you already have the head off. Of course if you are certian it is the head and only the head then I would leave it.

Sorry I am not trying to confuse you, just passing on the crap I have been thru before.

H@MMeR wrote:
when you did your was the head ok after ??
was the cooling all fixed ???

[/quote]

after having the gasket replaced and my head resurfaced. i did not have any overheating problems anymore.

mate i'm hoping that will the same here
Later Michael

Mintoy wrote:

H@MMeR wrote:
when you did your was the head ok after ??
was the cooling all fixed ???

after having the gasket replaced and my head resurfaced. i did not have any overheating problems anymore.[/quote]

up date it has been running fine up to today( about 3000) but now it is over heating agian it has a reco head dose any one know what the go is now ???

KIWI wrote:Didnt know you could do a CO2 test on a TD42

Dave

Testing for the presence of Co, carbonmonoxide, a product of combustion, in the coolant is an indication that their is leak from the combustion chamber into the water jacket.
Not Co2, carbondioxide

i started to pull the head off anyway as what ever it is the head has to come off again and i will get a head gasket from nissan this time dose any one know how much one would cost for one ??
later michael
ps here is a photo where i'm up to so far

DieselBoy wrote:

KIWI wrote:Didnt know you could do a CO2 test on a TD42

Dave

Testing for the presence of Co, carbonmonoxide, a product of combustion, in the coolant is an indication that their is leak from the combustion chamber into the water jacket.
Not Co2, carbondioxide

Make sure when removing the cyl head, that you loosen bolts in the reverse order of tightening sequence to avoid warping. The head gasket comes in 3 different thicknesses--no1 being the thinest with no3 the thickest. The number is stamped on top of the gasket just adjacent to the alternator. If in doubt, fit a number 3 particularly if your having the head re-surfaced. The cylinder head is very heavy and when replacing, be careful not to allow the locating dowles to scratch the cyl head mating surface.

Nick

Some relevant shots for you from my recent TD42 rebuild. Shots of re-built cyl head and new headgasket with grading number.

Nick

Another.....

where did you get the headgasket from and how much was it ???

Woop wrote:Some relevant shots for you from my recent TD42 rebuild. Shots of re-built cyl head and new headgasket with grading number.

Nick

Just some other shots of water pump cavitation and electrolysis where aluminium front timing cover joins steel front engine plate. This is what the grounding strap from themostat housing to body is supposed to prevent... It would be worthwhile checking these parts while youve got the cyl head off.

Nick

Genuine Nissan headgasket--cant remember how much....i THINK it was $110 but could dig out the receipt if you really want me to

nar if you think it was about that it is cool do you know how long ago you did it ?

Woop wrote:Genuine Nissan headgasket--cant remember how much....i THINK it was $110 but could dig out the receipt if you really want me to

Roughly about 6 months ago finished a complete re-build-have done about 20,000km's since. Cant find the receipt, but i can tell you that the Nissan part# is 11044-06J02. For a grade 3 gasket. Make sure shop only takes what they need off the cyl head when decking. Check for cracks in precombustion chambers and between exhaust and inlet valves..

Nick

Another member here, rebuilt his TB42, and the replacement (non genurine) headgasket blew within 2 mths.. It was proved to actually be a faulty gasket....

yer it looks like this one has done the same :( but i will get a nissan one this time and get the head to a head shop agian and see what it looks like
and i hope it is all ok as i'm geting so sick of this
michael

bogged wrote:Another member here, rebuilt his TB42, and the replacement (non genurine) headgasket blew within 2 mths.. It was proved to actually be a faulty gasket....

At least you got to drive yours.....When I rebuilt my SD33T in the MK last year it took me over a couple weeks after work and chit to pull it apart and get all the parts checked and then put back together again.

At midnight on a Saturday I was there having completed the install and thought what the hell lets at least fill it with water before I go to bed.

Got the hose out and filled the bugger ensuring I didn't spill any water to hide and leaks......Guess what it leaked worse than before I had rebuilt everything. If you know the what an MK is like you will appreciate what a pain in the arse it was to have to pull everything apart again. You have to remove aircon and brackets and pwr steer and filters and heaps of other chit just to be able to pull the head off.

When it was finally pulled apart I looked at the head gasket and guess what it had a seal missing from one of the water jackets........One very nasty phone call later I had another gasket in hand, with the vision of another day to install.

Don't be put off just think of all the days of 4x4ing your going to enjoy with it...........And also remember sometimes it is just not worth the saving to use non-genuine parts.........

James

yea hopefully just the gasket! I had the head looked at today and it is in really good con... i said do you want to test it out anyway ( he said if you want to wast your money then yes
+ i ordered the nissan one 115.00 so with any luck should be going agian by the week end

bogged wrote:Another member here, rebuilt his TB42, and the replacement (non genurine) headgasket blew within 2 mths.. It was proved to actually be a faulty gasket....

all lookin good all cleaned up just waiting on the head gasket now

although you had a co2 test done and ised a non genuine gasket and it still over heated i noticed there was no mention of replacing the radiator cap?
a faulty radiator cap will lower the system pressure and thus cause oiverheating.
just my 2c anyways
matt.

hey matt yer i did put a new radiator at the start a 90
michael

matty b wrote:although you had a co2 test done and ised a non genuine gasket and it still over heated i noticed there was no mention of replacing the radiator cap?
a faulty radiator cap will lower the system pressure and thus cause oiverheating.
just my 2c anyways
matt.

nice one mate
good luck with it. its not the most pleasnt job to be doing a first time let alone twice
matt

hey dude what grade no is it as i can not really see in the photo !!!

Woop wrote:Some relevant shots for you from my recent TD42 rebuild. Shots of re-built cyl head and new headgasket with grading number.

Nick