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Old 09-12-2014, 05:03 PM
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Question on m62 4.4 Vacuum line

Hi.

I was working on my 4.4L m62tu, replacing CCV and PCV.
Upon disassembly, found few, looks like vacuum lines, disconnected. lol

1) Found this #1 line not connected to anywhere on valve cover. Should this be connected to something?


2) On PCV, #2 line is not connected. Where should this be connected? Also #3 is capped. Is this suppose be this way?


3) After removal of PCV, #4 was not connected to anything. Should this be connected to #2 from above picture?


Thanks!
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  #2  
Old 09-12-2014, 09:32 PM
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Hi

#1 is a front differential breather/vent

#2 is a transmission breather/vent

#3 needs to be blind(plugged)

#4 is a nipple that connects a tiny line that connects to the Oil Separator oil drain pipe that goes to the the lower oil pan.It's actually a couple of pipes.Tiny one is crucial for membrane operation.

I am sure that your line was old and slipped off when you removed the CCV.
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Old 09-15-2014, 12:42 PM
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Quote:
Originally Posted by diyanich View Post
Hi

#1 is a front differential breather/vent

#2 is a transmission breather/vent

#3 needs to be blind(plugged)

#4 is a nipple that connects a tiny line that connects to the Oil Separator oil drain pipe that goes to the the lower oil pan.It's actually a couple of pipes.Tiny one is crucial for membrane operation.

I am sure that your line was old and slipped off when you removed the CCV.
Thank you!
Got everything sorted out.
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Old 02-25-2020, 11:10 AM
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sorry to drag this up , but ive just done mine today, not a bad job but my little tube broke off in the same way
I got told to replace this tube its an inlet manifold off job , tell me this isn't the case??
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