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Home/ Registry/ Ford/ Bronco/ 1992-1996/ “B3”/ 425 disassembly supermotors.net/registry/25989/88437

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425 disassembly

From 1996 Ford Bronco “B3”, documented by Kingfish999.

22 photos 6 videos
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1996 Ford Bronco - engine started to make a horrible noise when driving it. other than a slight miss it seemed ok.Video 1996 Ford Bronco - i drove the truck abit further so i can work on it in a better area and suddenly the engine shut off. when trying to restart, i noticed it…Video 1996 Ford Bronco - trying to do a field repair so i can at least limp to a pavement where i can have the truck towed, i removed both intake and exhaust rocker…Video 1996 Ford Bronco - using a inspection camera through a spark plug hole, you can see the valve still stuck open and the mark on the piston it causedVideo 1996 Ford Bronco - A close-up view of a vehicle's tire and wheel well, with the ground visible beneath. 1996 Ford BroncoVideo 1996 Ford Bronco - pulled the upper intake. my Trickflow intake has internal EGR passage but some reason the passage was completely full of oil. no idea why o… 1996 Ford Bronco - egr passage blocked by the gasket but some reason was full of oil on one side. not the other 1996 Ford Bronco - egr passage on the cylinder heads blocked by the gasket. this side had no oil tho 1996 Ford Bronco - pulled the engine. not good finding a spot on each side of the oil pan with a hole in it 1996 Ford Bronco - pulled the engine. not good finding a spot on each side of the oil pan with a hole in it 1996 Ford Bronco - pulled the pan. catastrophic failure broken timing chain, but that is least of concern 1996 Ford Bronco - when the rod threw, it ripped through the windage tray 1996 Ford Bronco - one rod (cylinder 2) gave out. the rod for cylinder 5 mangled 1996 Ford Bronco - 7 of 8 exhaust valves hit the pistons and bent leaving them stuck open. not sure why larger intake valves were ok 1996 Ford Bronco - other cylinder head. exhaust valves largely stuck open 1996 Ford Bronco - can see where the valves contacted the pistons 1996 Ford Bronco - when the first failure occurred, i managed to get the truck running on 7 cylinders for a brief time. eventually the final failure broke the… 1996 Ford Bronco - notice how one piston has a full circle mark from the exhaust valve and the dish piston is rotated some 1996 Ford Bronco - despite the damage at the timing chain and such, the cam was almost flawless other than a mark on one lobe 1996 Ford Bronco - only damage to the cam was one mark of a lobe 1996 Ford Bronco - number 6 rod severely damaged. number 2 rod ejected 1996 Ford Bronco - number 2 and 6 crank journal. number 2 did not have any scorching but clearly was heavily worn compared to number 6. almost 0.070" of wear 1996 Ford Bronco - the worn journal measured about 2.033" wide. should be 2.100" (make aftermarket cranks use 2.100" be same as chevy). so it was worn almost… 1996 Ford Bronco - the non-worn rod journal is 2.100" like it should be for this crank 1996 Ford Bronco - number 2 and 6 pistons. 2 with a snapped rod, 6 with the bent rod. the bottom the the cap on 2 broke away, the nuts were still in place. di… 1996 Ford Bronco - the block has sections of the bottom cylinder wall broken, the block is trashed. the engine still had oil pressure but the bearings indicat… 1996 Ford BroncoVideo