Just got the word from the Ford dealer that my startup noise I hear every morning on my 97 Lariat, 46,000 mi. is piston slap. He said that Ford says there is no cause for alarm and it does not affect performance or life of the engine. He has not heard of replacing engines. I also heard that the 4.6L did not have this problem. Any ideas or thoughts on this.

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97 F-150 Lariat, Leather, Ext. Cab
White/Champagne, 4.6L, Auto.
Tinted Windows/Bedmat
Toolbox/Lund Bug Deflector
Dual Exhaust
Grille Guard
Chrome bed rails
265/70/16 Goodyear Wrangler Rt/S

 

I am at 38,000 miles and about 4 times last winter my truck made a loud noise for about 20 seconds. I think your post is the only 4.6L I have seen with piston slap, I also thought only the 5.4's had it.
Does piston slap sound like a loud lifter noise? I have only heard it in the winter so far.

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1997 F150 XLT
Debut sport truck
Ext. cab short bed
4.6l 3.55ls Auto
*K&N filter
*Gibson swept side
*superchip
*rancho RS9000

http://community.webtv.net/rexor29/F150















[This message has been edited by ALLFORD (edited 10-11-2000).]

 

Depends on where the 4.6 was made.

Romeo I think, qualifies.

You're gonna have to complaine and keep complaining till someone does something if you want something done.

First dealership I went to said they didn't know nuthin about no piston salap and I should gowan and git. (That was rusty eck, now Lubbers in Cheney KS knew right away and owned up to it. New FQR long block on the way.)


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Greg
'96 Triumph Thunderbird
'99 Ford F150 XLT SC 5.4
'00 Lincoln LS8
Wichita