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Orifice tube location

Tiny
HLFSH73
  • MEMBER
  • 1998 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 170,000 MILES
What is the exact location of the orifice tube on my car it has the 3.1 V6? A diagram would be very helpful.
Wednesday, August 24th, 2011 AT 9:33 PM

5 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Yes, it does have one and it is buried pretty good. It is in the liquid line that runs along the left inner fender well, under the brake booster. If you look closely at the line, you will see a connection and dimples in the line where the tube is located.

Check out the diagrams (Below). Please let us know what happens.

Cheers
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Wednesday, August 24th, 2011 AT 10:59 PM
Tiny
HLFSH73
  • MEMBER
  • 3 POSTS
Thank you so much Wrenchtech! That is way easier to get to than at the evaporator where I thought it might have been. Which would you recommend, Mitchell or Alldata for a service manual?
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Thursday, August 25th, 2011 AT 12:30 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
I say Alldata for sure. Mitchell has some advantages mostly in easier to read wiring diagrams, but Alldata has them beat in every other way.
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Thursday, August 25th, 2011 AT 12:48 PM
Tiny
HLFSH73
  • MEMBER
  • 3 POSTS
Thanks again for you help, it is really appreciated.
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Thursday, August 25th, 2011 AT 2:11 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
You are welcome.
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Thursday, August 25th, 2011 AT 2:13 PM

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