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| OzECruisers General Discussions E/N/D vehicles General Discussion ONLY. NO TECH THREADS |
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18-09-2006, 10:03 PM
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FF.Com.Au Hardcore
Join Date: Nov 2005
Location: SA
Posts: 621
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my mate has an EF XR8 and he was driving it the other day when the engine started knocking, we lifted the bonnet and listened and it sounds like it's comeing from the drivers side rocker cover, could it be a broken valve spring or rocker or maybe a collapsed lifter, has anyone had this happen before, the knock is a lot worse under load. it almost sounds like a tractor when he revs it.
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18-09-2006, 10:10 PM
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windsor user
Join Date: Dec 2004
Location: Geelong
Posts: 13,123
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lifters are in the heart of the engine so it probably wont be that....
i'd be looking at a valvespring..... not overly hard to remove the rocker covers on them, i'd lift it and have a look |
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18-09-2006, 10:12 PM
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FF.Com.Au Hardcore
Join Date: Nov 2005
Location: SA
Posts: 621
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yeah but i thought th rod might be hitting the lifter, and it's on the side under the intake, i rekon you can get the rocker cover off without removing thw intake, but other people reckon you couldn't
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18-09-2006, 11:14 PM
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Oops, I slipped....
Join Date: Dec 2004
Location: Adelaide, SA
Posts: 1,861
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Sure it isn't a leaking exhaust manifold gasket? They sound just like you've described, and get louder under load.
I can't get the drivers side rocker cover off without taking the stock HO upper manifold off. If someone reckons they can, I'd love to hear how.
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1995 EF Fairmont 5.0 Heritage Green - BTR with TCI 2500 stall - Ported E7's - Pacemaker Tri-Y's - 3" Mandrel-bent Lukey Exhaust 1984 XE S-Pack 250 Sno White - LPG - Single Rail - 2.5" Exhaust "Just because you don't understand something, does not make it wrong" |
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EF XR8 engine knock
Linear Mode
