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Offline lightweight-love

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whats that noise?
« on: September 25, 2006, 17:43:44 »
Hi guys over summer my series 2.25 petrol landy has startedf making a bad noise when de-accelerating, like when on motorway and going down hill if you release the accelerator you hear a rattling niose under bonnet, can be heard when stationary if you give it some revs then let go,
I would guess its something in the head? tappets or something?
also she leaking a bit more oil - related?
drives well ignoring that tho! any info greatly appreciated
Duncan
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1975 s111 lightweight 200tdi, paras, snorkel, winch... My everyday ride
1976 s111 lightweight stock new restoration project :)
1974 s111 Long term restoration project, galv chassis, paras...
"she's not leaking oil, she's marking her territory"

Offline blackbob

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whats that noise?
« Reply #1 on: September 25, 2006, 23:25:23 »
could be timing chain tension on over run going slack
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Offline MisterC

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whats that noise?
« Reply #2 on: September 28, 2006, 22:26:22 »
If it's a clanking noise that sounds like something hollow and metallic, check that the exhaust downpipe to manifold nuts aren't loose/fallen off. I had this on mine.  It clanks when decelerating, because the  load on the engine is released and the slack in the exhaust downpipe allows it to bang against the gearbox mounting, as it runs over the top if it.  When accelerating/driving normally, the torgue of the engine keeps the whole thing under load and pulled away from the mounting.
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Offline SixPot

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whats that noise?
« Reply #3 on: September 29, 2006, 09:42:02 »
Ditto ^^^^^
I had exactly the same
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Offline TechnoTurkey

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whats that noise?
« Reply #4 on: September 29, 2006, 09:59:23 »
Ditto ditto!
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Offline lightweight-love

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whats that noise?
« Reply #5 on: September 29, 2006, 12:40:37 »
Awesome will check that then! cheers for info guys!
Duncan
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1975 s111 lightweight 200tdi, paras, snorkel, winch... My everyday ride
1976 s111 lightweight stock new restoration project :)
1974 s111 Long term restoration project, galv chassis, paras...
"she's not leaking oil, she's marking her territory"

Offline lightweight-love

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whats that noise?
« Reply #6 on: October 26, 2006, 14:25:31 »
didn't get round to checking the exhaust before my water pump blew its seal, new pump stuck on and working fine, but has cured the rattling noise so guess noise was the bearings on the way out!
next on list pro comps and extended brake lines!
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1975 s111 lightweight 200tdi, paras, snorkel, winch... My everyday ride
1976 s111 lightweight stock new restoration project :)
1974 s111 Long term restoration project, galv chassis, paras...
"she's not leaking oil, she's marking her territory"

Offline p4203

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whats that noise?
« Reply #7 on: October 26, 2006, 15:14:57 »
another one i found was the bonnet stay rattleing around a certain revs
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300tdi disco safari  1999
2door rr 3.5 efi 1979 "shed"
1961 s11 swb soon to be 300tdi'ed

Offline ian_s

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whats that noise?
« Reply #8 on: October 26, 2006, 15:19:05 »
my whole landy rattles, cant tell one rattle from another!
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Offline p4203

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whats that noise?
« Reply #9 on: October 26, 2006, 15:26:38 »
:D  :D  :D
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s111 109" 24volt 3.3 perkins  "beasty" 1975
300tdi disco safari  1999
2door rr 3.5 efi 1979 "shed"
1961 s11 swb soon to be 300tdi'ed
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