EGR pipe
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Senior User
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EGR pipe
i have a '87 F-150 4X4 4.9 4spd granny.i need to know how difficult it is to replace the pipe from the EGR valve to the exhaust pipe.the exhaust doesn't have an opening to except the new pipe.what do ya recommend?
Fleet Owner
Joined: Oct 2005
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From: Kentucky
Plenty of heat and some big wrenches. It is not unusual to heat the fittings red hot before they can be removed. I soaked my EGR fittings in PB Blaster for several days before trying to replace the EGR pipe on my F350. Heat and PB Blaster are your friend 
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Joined: Feb 2011
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From: Marietta, GA north of Atl
I'm about to give up on mine and just do the restrictor plate option i've read about. Bad EGR and can't loosen the nut at the valve. A couple of days with PB and no luck. i've used some heat, but am worried about the fuel lines below. should i be? Good luck.
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after your cat converter
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no cat on my '87. or atleast not when i bought it in 2009.and still no cat.thanks for the info guys,i like the way yall keep it real and willing to help another ford truck owner.
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one end of the pipe eas connected to the EGR valve the other end just hang down the right side by the exhaust ,the end was rolled and folded closed.so IT WASN'T CONNECTED TO ANYTHING.is that better for ya.
Fleet Owner
Joined: Oct 2005
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From: Kentucky
Yes that is much better, thanks. The exhaust manifold itself is what should have the EGR fitting that connects to the EGR tube, then on to the EGR valve. Appears a previous owner has swapped the exhaust manifold on you.
I am not that well versed on the 4.9L inline six but I think this is what the EFI exhaust manifold looks like:
I am not that well versed on the 4.9L inline six but I think this is what the EFI exhaust manifold looks like:
Fleet Owner
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From: Kentucky
The info from AbandondedBronco in this thread should help: Breathing Easy 300 Take a look at Post#9
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4.9 egr
The egr pipe connects just down stream from where the exhaust joins the manifold y-pipe. The bung is on the rear of the pipe, about halfway down the side of the block. If you pull the plastic inner fender liner loose, it is easier to get to.