Junior Member
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Join Date: Apr 2014
Location: Plano
Posts: 22
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Junior Member
Join Date: Apr 2014
Location: Plano
Posts: 22
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Rattling/Knocking on Startup
Hi All,
This may have been covered but I didn't find a good thread when i searched. My '07 V8 (170K miles) has started making an occasional loud knocking or rattling noise right at start up after it has sat for a few days without running. Sounds like a freight train. I'm thinking it is a valve train noise as it disappears as soon as oil pressure builds, like 3-5 seconds at start up. Afterwards it runs like a top, no knocking of any kind. Its not the fuel regulator issue, as i have had that for years as well, just never got around to fixing it.
Anyone have thoughts on this? I'm using a Toyota oil filters and Mobil 1 5w30, but I'm wondering if there is a better filter/oil combo to prevent all the oil from seeping back into the pan over that time.
Thanks,
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Ben; 2007 4Runner LTD 4x4 V8; OME Lift, FJ Wheels; Dual Batts, Hidden Front Hitch;
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