[AT] off topic, need help on new parts chasing truck.

[Bo Hinch]

I have ran ATF thru the intake on older vehicles and it cleaned the carbon
build-up on the valve stems and then ran OK . In this case , I would
probably mix a upper lube with the gas and also put it in the oil and run
it . It might be a good idea to remove exhaust while running the oil thru
the intake . Another thought is , is the catalitc converter plugged ????
my thoughts only
Bo Hinch in Sulphur,la.

On Fri, Jan 30, 2015 at 10:34 PM, Cecil R Bearden <crbearden at copper.net>
wrote:

> Just purchased a 2000 f150 4x4 Lariat supercab 5.4L with all the bells &
> whistles.. Previous owner bought it at auction and it started running
> rough, they took it to a reputable mechanic who replaced all spark
> plugs, coil packs, lifter, rocker, and spring on the #7 cyl . They used
> a camera to look at piston to determine if valve had struck piston.
> Valve is still sticking. It will start and run fine for 5-10 seconds
> then too rough to keep idling. sorta smooths out at 2000 rpm. I talked
> to the mechanic who said that they spent over $1000 or work & time
> trying to unstick the valve. The valve would unstick when they pulled it
> up, but the cam would stick it down.  It runs fine for about 5-10
> seconds after starting then runs so rough that it will barely move out
> of its tracks. P.O. said that he put a new battery in it and then took
> it for a drive to go to the detail shop and it started running rough.
> They then took it to the mechanic.  P.O. decided not to put any more
> money in it when told that the valve was stuck.Mechanic told me he did
> not think valve was bent.
>
> I have posted on Ford truck Enthusiasts forum and only received dumb looks.
>
> Any suggestions??
>
> Cecil in OKla
>
>
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