4.7 crankcase breather install - JeepForum.com
 
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post #1 of 6 Old 03-20-2020, 04:52 PM Thread Starter
OneSock
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4.7 crankcase breather install

I have removed and reinstalled a 4.7 engine in a 2001 Grand Cherokee. I got a couple of new crankcase breathers since the old ones were broken. These are the ones that stick up almost vertical on the back of each cylinder head. I put the left breather in, no problem, but on the right side there's a great big bundle of wires directly over the breather hole leaving no room to install the breather. I'm wondering if the wiring got routed wrong during engine install, but I don't see how else it could go. It has the fuel injector and ignition connectors on it, and they are all where they need to be. Anyone got a picture?

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post #2 of 6 Old 03-20-2020, 05:23 PM
rickfaulks
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II went outside and took some pics of my 04 4.7HO, but I am a new member and evidently I am not allowed to upload pics yet.
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post #3 of 6 Old 03-20-2020, 05:30 PM
Livewire9
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Its tuff it get to ok darn near impossible unless u disconnect the last 3 coils & injectors pull the harness up tie it off & be patient with it skinny hands help greatly I don't so bleeding inspired your gloves is just part of the deal .. Good luck.
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post #4 of 6 Old 03-21-2020, 04:28 PM
jtpeters
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Garage
@OneSock
I just changed out my Passenger Side Valve Cover gasket. This photo shows the CCV I believe you're referring to.
The cable you see just above the lower right connector houses the coil and fuel injector wiring.
If I were you, I would disconnect all coil and fuel injector connections, dislodge the wiring loom from the valve cover studs (I believe 2 ea studs), maneuver the cable above the valve cover and into a position near the rear of the valve cover resembling this photo.
Perhaps this will open up the CCV > head path.
Attached Thumbnails
Passenger Side CCV 3.jpg  

2004 Jeep Overland WJ 4.7 H.O. (Bought new in Oct 2003)
2014 Jeep Overland WK2 5.7 Hemi (Bought used in 2016 w/7k miles)
1970 Ford Mustang Boss 302 (in Family since 1974)
2013 Ford Mustang Boss 302
2011 BMW 328i
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post #5 of 6 Old 03-21-2020, 07:47 PM Thread Starter
OneSock
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Well, I got it in. Had to simultaneously use a ratchet strap and a prybar to hold the wiring out of the way.
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post #6 of 6 Old 03-21-2020, 07:52 PM Thread Starter
OneSock
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Quote:
Originally Posted by jtpeters View Post
@OneSock
I just changed out my Passenger Side Valve Cover gasket. This photo shows the CCV I believe you're referring to.
Yours looks slightly different than mine. My CCV is ALL the way at the back behind the valve cover. Interesting.
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