Noisy 4.6L engine with valve cover off
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![Dreaded Knock [ 2000-2003 4.6L 2v curse ] Crown Victoria](//s.ytimg.com/yt/img/pixel-vfl3z5WfW.gif)
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@svtlincoln That is what I was figguring will have to make a run tomorrow and get some valve cover gaskets and pipe stem cleaners. Thanks
supressorgrid 1 month ago
@supressorgrid There are several drain holes in the cylinder head. If you've got oil getting stuck in the top of the engine and not making it back to the crankcase then you need to fix that asap.
svtlincoln 1 month ago
I have a 95 town car. the engine runs good but oil fills up in the valve covers and runs out. some time looks like no oil in the crank case at all. what causes this? Are there drain holes that can clog up somewhere?
supressorgrid 2 months ago
@seapeddler I agree that that is the filthiest 4.6 I have ever seen. The ones at the dealership i see taken apart that are ruined are cleaner than that inside, the 4.6 in general is not prone to sludging even with abuse.
Gazdatronik 2 months ago
sounds like the timing chain guides have worn through the plastic coating to the metal backing.. take the front cover off and have a look... happened to my 96.
itzbossman 7 months ago
If you can prove healthy compression (@ 180 + ), correct timing, and strong ignition, you should not be seeing sludge. Premium lubricants don't necessarily stop sludging. Sludging is the result of unacceptable blowby, and the oil vapors condense and bake onto the valve cover underside. Just like in a non self-cleaning oven. My vote goes to either a worn or sabotaged engine. Engines would go 300 000 mi. 'before' Royal Purple existed. Not that Royal Purple is not superior; it is not a real cure.
seapeddler 9 months ago
look at all the sludge ?? man thats bad, clean it up and get some royal purple oil and k&n oil filter then change it EVERY 3000 miles,,thats what i do and you can eat out of my valve covers,,lol,,the only sound you hear in my engine is my fuel injectors and thats only do to my 93oct sct performance tune that cranks up my presure and cycle on my injectors,,if you take care of your car and stop yourself from buying cheap oil , oil filter , air fliter and gas it will last 4ever and a day,,lol ,
TheSleepermgm 10 months ago
I hope you took advantage of the cash for clunkers program.
NowLifeStarts 1 year ago 2
timing chain tensioner guides... Ford knows they are crap and should have recalled. The smoke is the oil spray. Two ways to fix - 1) run car into bridge support and collect insurance 2) 10 hr teardown and replace. Option one is the easy way out!
SailingSCUT 1 year ago
An intern poured piss into the engine. The acid corroded the bearings.
seapeddler 1 year ago