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engine ticking

Tech Talk for Nissan owners.

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Posts: 245
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engine ticking

Post by mroffroader »

hi there my 1987 mq (sd33t) has devloped a ticking is it the tappets? it only ticks when you exaclarate when idling its fine. so i was thinking it could possibly be the deisel pump? what are your thourghts on this and is it something i should worry about/fix immediatly? my moral is if it aint broke dont fix it!!!! :? :D :twisted:
80 series landcruiser and a suzuki 413 :)
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Post by InSanE »

try adjusting the tappets mate thats the cheepest and easiest way first
GQ LWB TD42, boost, lockers etc

http://forum.mudrhino.com.au/viewtopic.php?t=262&start=30
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Post by zookjedi »

any sign of exhaust manifold leaks? they sound like tappets and are more prominent when reved , easpeacilly under load due to more fuel being burnt

jai
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Post by mroffroader »

mmmm could be exhaust manifold will have to check that out cheers! :?
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Post by Goutman »

similar scenario on the mrs GQ shorty... just had the tappets done though, have to chek the exhaust manifold....
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Post by rOd »

zookjedi wrote:any sign of exhaust manifold leaks? they sound like tappets and are more prominent when reved , easpeacilly under load due to more fuel being burnt

jai
Ahhh, is that what my ticking noise could be?
I checked my tappets when I first noticed the noise but they were all spot on!
Dont expect mere proof to sway my opinion.
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Post by mroffroader »

will probably do the tappets and check the manifold on the weekend. what are the tappets supposed to set at?
80 series landcruiser and a suzuki 413 :)
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Post by beretta »

Had similar noise on the GQ TD42 and found it was the flange leaking from disintegrated gasket where the pipe joins the manifold, so make sure you get underneath and have a good look up at the flange too. Hope that helps :)
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Post by mroffroader »

[quote="beretta"]Had similar noise on the GQ TD42 and found it was the flange leaking from disintegrated gasket where the pipe joins the manifold, so make sure you get underneath and have a good look up at the flange too. Hope that helps :)[/quote]

will do a inspection :cool:
80 series landcruiser and a suzuki 413 :)
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Re: engine ticking

Post by mkpatrol »

mroffroader wrote:hi there my 1987 mq (sd33t) has devloped a ticking is it the tappets? it only ticks when you exaclarate when idling its fine. so i was thinking it could possibly be the deisel pump? what are your thourghts on this and is it something i should worry about/fix immediatly? my moral is if it aint broke dont fix it!!!! :? :D :twisted:
MR, if you have checked the valve clearances and they are ok then it sounds lik it might be the manifold gasket.

When I had the same problem on my old MK I found the Manifold was actually warped. Check for carbon leaking around the manifold, it will be easy to see.

If it is leaking in the middle like mine was be careful of the bracket which bolts the turbo to the manifold. What was happening with mine was the turbo bracket was pushing the manifold away from the head causing a gap between the gasket/head/manifold. Once I ground it down it was sweet.
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Post by mroffroader »

cheers will do
80 series landcruiser and a suzuki 413 :)
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Post by Camshaft1 »

Not bein smart arse mate but oil level may be low. Since rockers are generally last to get oil in the engine if the oil level is low the crank and bottom end may still be gettin sufficient oil pressure yet by the time it gets up to the rockers it may be getting a little low causing a little tap tap.
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Post by mroffroader »

actually i appreicate that as ive only just bought the truck and its my first car... im 14 :cool: and ive been so busy cleaning etc. that i havnt even moved to the simple shit like checking the oil good point i will do it when the engine is cold :D cheers
80 series landcruiser and a suzuki 413 :)
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Posts: 245
Joined: Tue Jan 31, 2006 5:51 am
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Post by mroffroader »

actually i appreicate that as ive only just bought the truck and its my first car... im 14 :cool: and ive been so busy cleaning etc. that i havnt even moved to the simple shit like checking the oil good point i will do it when the engine is cold :D cheers
80 series landcruiser and a suzuki 413 :)
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Posts: 245
Joined: Tue Jan 31, 2006 5:51 am
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Post by mroffroader »

[quote="Camshaft1"]Not bein smart arse mate but oil level may be low. Since rockers are generally last to get oil in the engine if the oil level is low the crank and bottom end may still be gettin sufficient oil pressure yet by the time it gets up to the rockers it may be getting a little low causing a little tap tap.[/quote]

hi there i have checked the oil. after a mission to find the dip stick :bad-words: but managed after 35 minutes to find it and the oil level is fine but is very very black will probaly do a oil change on it. so does anybody know how many litres of oil a sd33t mq motor takes and what kind of oil. thankz very much :D
80 series landcruiser and a suzuki 413 :)
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Post by Camshaft1 »

Yeah no dramas mate. Its been a few years since i owned an old MQ and the minds a bit rusty but if you brought 10 litres of diesel engine oil you would be right i reckon. Also dont forget to change the oil filter. Give the tappets a going over and i hopefully that ticking will go away.
Happy Truckin!
Cam
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