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It doesn't help that our N20 naturally has faint whining noise. Makes it hard to tell if it's the timing chain whine or not.
Anyone tried or researched into doing the oil pump chain and timing chain themselves? Or had a shop do it for them?
I've read that the timing chain is a big job and is not for a diyer, but any idea about oil pump chain?
Last edited by canman111; 11-20-2018 at 07:24 PM..
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