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2000 grand marquis ls with handling package, magnaflow mufflers,dual exhaust, 3.55 rear axle
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Discussion Starter #1
I am still formulating a plan of attack on my 2002 grand marquis lse with the noise in the valve train. It looks like quite a job to get the valve covers and front cover off the engine, so I think I should go ahead and change the timing chain, guides, and tensioners while it is apart. I am thinking of changing all the valve lash adjusters too and I assume I need to do that one at a time so that the rocker arm goes back on the same cam lobe it came from. Is that correct? I also thought about changing all the rocker arms too but Is it a bad idea to change all the rocker arms without changing the cams? Even if the cams look ok I assume there will be some wear and I am not sure how that would work with new rocker arms with no wear. Any advice would be appreciated.
 

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You can reuse the cam with new rockers, or adjusters. But if it’s that big of a noise I’m skeptical that it’s the valvetrain or there may be more damage than you’re anticipating. Pull the valve cover and inspect everything for obvious damage.


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Registered
2000 grand marquis ls with handling package, magnaflow mufflers,dual exhaust, 3.55 rear axle
Joined
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147 Posts
Discussion Starter #3
You can reuse the cam with new rockers, or adjusters. But if it’s that big of a noise I’m skeptical that it’s the valvetrain or there may be more damage than you’re anticipating. Pull the valve cover and inspect everything for obvious damage.


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sounds like good advice, Thanks
I was thinking of having all the parts on hand when I open it up but you are right, It could be real bad news in there.
 
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