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td42 HELP!!! at whits end!

Tech Talk for Nissan owners.

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Posts: 56
Joined: Mon May 17, 2004 8:44 pm

td42 HELP!!! at whits end!

Post by sideways »

Hi all ,
i have put a reco td42 engine in but cant get it to run , have had the pump rebuilt thinking that was the problem ,i have had it spot on with the dial indercator as well. I have put in new injectors in it , i have bypassed the fuel filter and even put new fuel line through thinking there was air getting in but that was no the problem either.i get alot of black smoke coming out the exhaust but it just wont go . i have pulled the timing cover off and and the timing marks seem to be in the right place .i have done a compression test on it and it is all good there.Now for the kicker , when i crank it over it is exhausting out the intake on cylinder no2 and 4 .WTF!!!. can anybody give me some other ideas as what it could be . i am ready to put a match to it!
Thanks
Posts: 345
Joined: Wed Dec 24, 2008 11:58 am
Location: Mackay

Re: td42 HELP!!! at whits end!

Post by tye1986 »

Something in the timing case is not right 180 deg out by the sounds of it.
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Posts: 56
Joined: Mon May 17, 2004 8:44 pm

Re: td42 HELP!!! at whits end!

Post by sideways »

thats what i thought , but i have pulled the timing cover off and all the timing marks are in the right place .any other ideas?
Posts: 92
Joined: Mon Apr 28, 2008 4:07 pm
Location: Toowoomba, Australia

Re: td42 HELP!!! at whits end!

Post by monkeycritter »

sideways wrote:Hi all ,
i have put a reco td42 engine in but cant get it to run , have had the pump rebuilt thinking that was the problem ,i have had it spot on with the dial indercator as well. I have put in new injectors in it , i have bypassed the fuel filter and even put new fuel line through thinking there was air getting in but that was no the problem either.i get alot of black smoke coming out the exhaust but it just wont go . i have pulled the timing cover off and and the timing marks seem to be in the right place .i have done a compression test on it and it is all good there.Now for the kicker , when i crank it over it is exhausting out the intake on cylinder no2 and 4 .WTF!!!. can anybody give me some other ideas as what it could be . i am ready to put a match to it!
Thanks
Just rebuilt mine. Has your rebilder done a TD42 before? No offence. Sounds like your timing mark might be in the right place for the timing pump, but is it in the right place for the cam? Take the timing cover off and check the #1 piston at TDC. As you run it around you should see the exhaust valve open with the rocker cover off. If it doesn't, then you will need to take it back to your builder.
Posts: 494
Joined: Tue Mar 15, 2011 11:24 am

Re: td42 HELP!!! at whits end!

Post by Northside 4x4 »

Definitely a cam timing problem.
Posts: 56
Joined: Mon May 17, 2004 8:44 pm

Re: td42 HELP!!! at whits end!

Post by sideways »

yep have taken the timing cover off , it all seems to be right , i have an old engine here and i have pulled the timing cover off that one to check that the valves were doing the same thing as the reco one . its all good
Cheers
Posts: 646
Joined: Thu Sep 07, 2006 10:51 pm
Location: Central Coast NSW

Re: td42 HELP!!! at whits end!

Post by Clanky »

You didnt set the valve clearances using a TB sequence by mistake?
Posts: 199
Joined: Sat May 24, 2008 6:07 pm
Location: central coast

Re: td42 HELP!!! at whits end!

Post by morewheeldrive »

Pump and or cam 180 degrees out. Timing marks will line up if this is the case so easy mistake. Pull the pump out and turn it 180, then if that doesn't work check the cam. When u put the engine back together you should have no# 1 on tdc, and the cam should be rolling along the back side with rockers sitting idle and loose.
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Posts: 56
Joined: Mon May 17, 2004 8:44 pm

Re: td42 HELP!!! at whits end!

Post by sideways »

Thanks all for your help , it turned out to be the head!!! none of the valves have been seated properly, put another head on it and away it goes

Cheers
Posts: 646
Joined: Thu Sep 07, 2006 10:51 pm
Location: Central Coast NSW

Re: td42 HELP!!! at whits end!

Post by Clanky »

sideways wrote:Thanks all for your help , it turned out to be the head!!! none of the valves have been seated properly, put another head on it and away it goes

Cheers
:shock: Makes you wonder what else the engine builder forgot to do?
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