fenza89

alright guys, i know this is beating a dead horse but i just have to ask. I have a 06 f150 5.4 with 97k miles. i had the cam phasers, chain, guides,vct solenoids etc replaced about 20k miles ago. the engine had been rattling a good amount. i am having a slight rattle again when i let off the gas pedal at low speeds. anyone else just have this slight rattle? engine runs great other than that, i also use full synthetic oil with motorcraft filter. it just seems like a characteristic of this engine.

vintageman

What brand of phasers and timing components did you put in? Also, did you look at the lash adjusters and followers when you were in there, I found 13 lash adjusters out of 24 were bad on mine. I changed them all at the same time and 20,000 miles later, still no issues or sounds.

fenza89

Everything was replaced. I had a reputable mechanic do the job. He replaced everything with ford parts. It's hard to explain the noise. Although I think the ultimate test with these engines is to put the truck in park and hold your foot on the gas just slightly past idle and if you have chain/ phaser issues you'll here the Engle clacking away. And mine is quite.

Martian

If you're referring a slight "tickatickaticka" when you let go of the pedal after a low acceleration, that's just the VCT system doing its job.

fenza89

okay yes^ i believe thats what im hearing. low speeds, like through my neighborhood with the window down, i'll let off my accelerator and hear a ticktickick noise from the engine.

techrep

iTrader: (1)

could be hearing a manifold leak too...