engine knock in my 4.6

Reply Subscribe

Thread Tools

Search this Thread

10-05-2005, 01:54 PM

#11

ShadowDrake

5th Gear Member

Join Date: Aug 2005

Location: Whitehall, Michigan

Posts: 2,638

RE: engine knock in my 4.6

Well, the 2000's have a huge load of TSB's, I looked through just the Engine ones to try to find one similar to this one ( https://mustangforums.com/recalls-an..._03256/TSB.htm ) for my 2004. There is probably a TSB for the tick for your year, you may want to bring that up with the Ford guys.

10-05-2005, 02:00 PM

#12

Derf00

Gentleman's Relish

Join Date: Feb 2005

Location: AZ

Posts: 13,090

RE: engine knock in my 4.6

Quote:

ORIGINAL: black00thunder

The dealership called this morning - they didn't change the lifters because now they seem to think I need a new head on the passenger side. They said I could drive the car and it wouldn't mess anything up internally. This noise seems to be a mystery to everyone. Who knows. I still may have someone replace the lifters since that was the initial thought of what was wrong. If anyone has any thoughts or had this happen, please let me know.

Did they do a decarbonization on the engine first? A lot of time there is carbon buildup in the cumbustion chamber and valves. This can cause symptoms like spark knock and engine ping. Does one or both of your tailpipes have black soot on the tip(s)? If so then I'd start there (decarbonization). Carbon causes hotspots in the firing chamber and since the carbon heats up faster than the surrounding block, it would cause more problems during warm up and under heavy acceleration than at idle or cruising.

10-12-2005, 05:27 PM

#13

black00thunder

Thread Starter

Join Date: Oct 2005

Location:

Posts: 16

RE: engine knock in my 4.6

I have a sticky valve in the passenger side cylinder head - Ford says. They say that the ticking noise during certain rpms is matching a problem they had in the past with the 4.6 motor. I bought a pair of cylinder heads and the gasket kit - now looking for a shop to put them in. I would feel more comfortable with a shop specializing in Ford motors, but they seem to be few and far between. If anyone knows of any Ford performance shops in the DC area, please let me know.

10-27-2005, 12:39 PM

#14

black00thunder

Thread Starter

Join Date: Oct 2005

Location:

Posts: 16

RE: engine knock in my 4.6

well after swapping heads cause ford motor company guaranteed me that was the problem and was not the fix noise was still evident after assembly then on further tear down we found a peice of FORD assembly plant build paperwork in the oil pickup screen blocking oil passage resulting in damage to #1 cylinder rod bearing failure and so upon reassembly of engine noise is gone and the thing runs terrific gptta give thanks to the staff at PERFORMANCE SPECIALTIES in Pottstown P.A for all their hard work and understandig of my problem. i highly recommend them if you are in the north east and need stang work thats their specialty any year any model stang.Also have ford P.I. heads and valve covers for sale in perfect condition didnt need them anyone interested e-mail me