Engine replacement question

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Nov 24, 2008 | 06:50 AM

ticorover

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Joined: Feb 2006

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From: Monroe, GA

Engine replacement question

I have a 2000 F150 4WD with the 4.6L. Does any one know if a 4.6 motor from a 2003 model will simply swap into place. More or less I would like to know if there would be any electrical/computer/harness issues. I would have access to the new harness and comp. if needed but prefer to use the existing. Is this a simple possibility?

Nov 24, 2008 | 07:40 AM

Johnny Langton

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From: SE Texas

Your 2000 model is likely a non-PI engine,and the 2003 is a PI engine. The differences are cylinder heads and intake manifold port shapes,and a few other minor differences that are really a non-issue. You may have to find a flexplate for the trans(some engines have an 8 bolt crank,some have 6 bolts), maybe have to swap exhaust manifolds and swap over a few sensors from your engine to the '03 model,but it should be relatively simple changeover.
JL

Nov 24, 2008 | 09:24 AM

lonerangerinaz

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Joined: Nov 2003

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Johnny Langton is right, it should be a simple swap. You might have to use a few parts from your old engine intake manifold but everything else should be the same.

Nov 25, 2008 | 10:34 AM

ticorover

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Joined: Feb 2006

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From: Monroe, GA

Thanks guys, appreciate the help.

Nov 25, 2008 | 01:33 PM

Parts Guy Wyatt

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From: Seattle

I use plastic sandwich bags for the nuts and bolts I remove as i do a job. I label each bag as to what the contents are, bellhousing bolts, exhaust bolts, intake bolts, etc. It makes it a lot easier to put it back together. And more enjoyable too. Dan

Nov 26, 2008 | 03:46 PM

monckywrench

Cargo Master

Joined: Apr 2001

Posts: 2,220

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Digital cameras are your friends, especially when it comes to hose routing.

Cardboard, with component outlines in magic marker, is nice to push fasteners through to keep them in order.

Penetrant is also your friend. Kroil from Kano Labs (mail order only, but well worth it) is superb.

Ratcheting box wrenches such as Gearwrench are handy, and you'll want some LONG 3/8" extensions and strong universals for the bellhousing bolts.