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I have a 2002 crewcab with a 5.4L with 160K and it has started to make a noise on start up only. The noise lasts for less than a second and is then quite and it runs perfect. I use Valvoline Max-Life 5W20 oil and a Motorcraft filter. Sounds like a lifter tap until the oil get to the top of the engine?? Sounds like rattle maybe. Only happens at startup, or after it sits for a while. I know these have issues with the spark plugs its not that as I have recently changed them and the issue is the same..
Mine does this and I also did not think it was a exhaust leak. BUT when I was told the same thing from a buddy who works at Ford I had to check and yup that's the tic tic tic I hear for like 20 or less seconds
2000 F150 4.6 4x4 8 foot bed all stock ( Work ) 249,107 miles
1986 Mustang 5.0 5speed lots of goodies ( Play ) 125,826
my 03 5.4 has this exact same "problem" its less than 2-3 seconds and then all is well. my truck has 65k on it and doesnt do it every start up either.
from what ive read it seems pretty normal. anyone else?
....deaf and dumb and blind and born to follow....OPIATE
I just bought mine, but it sounds like they all do it to some extent. Running an engine for 1-3 seconds dry really wont hurt anything because the oil that does stick to those parts will lube it until the oil pump can get everything going. And, btw, these trucks are OHV which means no lifters and no pushrods.
2001 F250 4x4 CrewCab 7.3D 104K Miles - Traded In
2004 F150 4x4 FX4 SuperCrew 101K Miles - Totaled
1972 F250 4x4 RegCab Highboy 135K Miles
1998 F150 4x4 ExtCab Lariat 112K Miles - Traded In
2010 F150 4x4 SuperCrew Lariat 94K Miles
Started to hear it occasionally on start up couple years ago, rattle almost a ping. Back in May it started to get worse finally becoming a full fledged KNOCK in August. Pulled the oil pan and discovered #7 & #8 Rod Bearings Burnt and Worn from Oil Starvation (208,000km.).
$ 2500.00 Later I now have a 5.4 with 96K on it and a years warranty on Engine and Labor. Happy to discover the New 5.4 just did 21 MPG Imperial 17+MPG US on a Tank with Town Highway Driving. Now if I can keep the Rocker Panels and Pan Rails from Rusting Out. Added Bonus was when I left it at the Dealer for new Tank Straps the Tank Began to Leak, got a new Tank from Ford. Not so great is now the AC Compressor Bearing is shot......Can't wait to see what November has waiting.
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