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Plastic engine cover

Tiny
UCANIHL
  • MEMBER
  • 2002 VOLKSWAGEN POLO
  • 1.2L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 28,000 MILES
I tried to remove plastic engine cover of my vw polo. I realized one of the hose-like connections but not the other one and damaged it. It is a plastic tube connected to the part of engine cover which also covers the air intake butterfly. Is it a crucial part? Also, what this plastic cover all about?
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Thursday, February 18th, 2016 AT 9:33 AM

3 Replies

Tiny
UCANIHL
  • MEMBER
  • 3 POSTS
Here some photos may help. I don't understand its function.
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Thursday, February 18th, 2016 AT 10:03 AM
Tiny
UCANIHL
  • MEMBER
  • 3 POSTS
I did some research and found out 2 websites selling them
It looks like to be a kind of vacuum tube involving exhaust gas. Is it related to EGR system?
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Friday, February 19th, 2016 AT 1:27 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,904 POSTS
This tube is called a breather tube and its used to allow air into and out of the crankcase, you can replace it with a regular hose and be okay
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Tuesday, February 23rd, 2016 AT 3:09 PM

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