Attn: To all people complaining about piston slap. There is currently a class action lawsuit against Ford Motor Company. If you are interested in joining, please contact Mr. Sal Giampiccolo in New Jersey at (201) 863-4400 between the hours of 9:00 am and 5:00 pm. Thanks. Bugman.

 

That blows nomo...mine is a 10/4/99 build. No slap so far.

I have owned two Norfolk built F-150s (98 and 00) so far...very little to complain about (except the paint job on my 2000 roof). No door cracks, no leaks, no slap in either of the 5.4's.

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2000 F-150 XLT, 4x2, 5.4L Supercab, Superchip, Styleside, Black with silver two-tone, 3.55 rear, class III towing package with heavy duty cooling package, Heavy duty shocks, 4 wheel disk ABS, overhead console, sliding rear window, keyless entry, dark graphite interior, in dash CD, factory leather wrapped steering wheel, Pendaliner bedliner, K&N air filter, rubberized undercoating, cabin filtration system, Bugflector II, 5W-30 Mobil 1, Mobil 1 M1-210 Oil Filter, engine build 10/4/99

 

Well I guess I will join the list. I have a 2000 xlt with the 5.4

It just turned 10k. It taps like a lifter that has not primed. The tapping last for about a 2 min at start up. When you give it some gas it goes away but when in idles down it is even louder.

I had a neighbor come out of his house and ask me what that noise was. All my friends that hear it stand back and wait for something to fly apart.

The temp here has been around 73 or so. I find if it sits for about 5 hours or so without running it makes the noise again on start up. The mfg date on the engine is 11-8-99. Motorcraft filter is beening used.

 

With lows in the 70s, the noise is quite faint. Temps in the low 60s will still yield the painful sounds of rattle. It may be October before we see those kinds of temps again.

I'm hoping a few more thousand miles will help... not likely, but I can dream!

Neal