460 Cracked Flexplate
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Mountain Pass
Joined: Jun 2016
Posts: 249
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From: 94' F-250 460 4x4 e4od
460 Cracked Flexplate
Recently developed a sound (almost like marbles shaking around in the bell housing) on my 94' Ford 460. A couple of months ago I rolled new rod and main bearings into it. I'm wondering if the stress of lifting the engine while still attached to the tranny may have caused a crack in the flexplate. Oil pressure is now about 12 psi hot idle and 25 at 65 so no problems there. Sound only occurs in park or neutral. Already made sure torque converter nuts were torqued. Had this happen to my 351w a while back pretty confident this is the issue but just wanted a second opinion before I go pulling the tranny in the snow.
Logistics Pro
Joined: Mar 2005
Posts: 4,698
Likes: 47
From: Mexico, Missouri
I would pull the inspection cover for the transmission and see if there are any rust stress lines on the flexplate.
If you had an camera with a scope, you could maybe get close enough near the crank to look.
If you had an camera with a scope, you could maybe get close enough near the crank to look.
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