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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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The Garage
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Trucks [ Eighteen Wheelers ]
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Heavy Duty Diesel Truck Mechanics Forum
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4MG 3406B PCV valve
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<p>[QUOTE="BoxCarKidd, post: 11824100, member: 151415"]Once when I had that problem it happened again about two weeks later. Blowing the dipstick out, oil everywhere and such.</p><p>Ended up it had an exhaust valve guide with excessive clearance. Maybe 3/16" with the spring still on it. Soot from the exhaust was passing into the crankcase. Reconditioned head had only been on about 6 weeks.</p><p> Hope that is not your problem, just sharing.[/QUOTE]</p><p><br /></p>
[QUOTE="BoxCarKidd, post: 11824100, member: 151415"]Once when I had that problem it happened again about two weeks later. Blowing the dipstick out, oil everywhere and such. Ended up it had an exhaust valve guide with excessive clearance. Maybe 3/16" with the spring still on it. Soot from the exhaust was passing into the crankcase. Reconditioned head had only been on about 6 weeks. Hope that is not your problem, just sharing.[/QUOTE]
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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
Forums
>
The Garage
>
Trucks [ Eighteen Wheelers ]
>
Heavy Duty Diesel Truck Mechanics Forum
>
4MG 3406B PCV valve
>
Reply to Thread