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Author Topic: How to: Install the BOV Spring  (Read 6923 times)

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Offline KYGXP

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How to: Install the BOV Spring
« on: February 08, 2009, 11:25:30 PM »
I just received the Dejon BOV Spring and now I have lost the directions.  Can someone help me out and post how I install it.... Thanks.
« Last Edit: March 28, 2009, 07:29:07 PM by DeepBlueGXP »

Offline Hoosier GXP

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Re: How to install the BOV Spring
« Reply #1 on: February 08, 2009, 11:46:52 PM »
Well lets see when I did mine I think you start with letting 2lbs out of the front tires ................. :huh: no no wait it 2 lbs from the rear tires.   

Just joking with you Kim I see Dave is on line I am sure he will send you a new set of instructions if no one here has not done so already.

Offline DeepBlueGXP

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Re: How to install the BOV Spring
« Reply #2 on: February 09, 2009, 08:04:10 AM »
Do this when the engine is cold.  Remove the 3 #10mm bolts (below the elbow) need to be removed on the pic, then replace the spring.  Make sure you don't loose the diaphram.  Tighten all bolts down evenly.  You will need a universal and some extensions to get to the back one.
« Last Edit: May 16, 2012, 05:59:01 AM by DeepBlueGXP »

Offline Deep-GXP

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Re: How to install the BOV Spring
« Reply #3 on: February 09, 2009, 04:47:00 PM »
What DBG Said ^^^^^^

The cap is TAN colored....should be easy to spot.  There's a spring inside (of course), so i think it might pop off after the 3rd bolt is out so hold onto it.
:dancing::dancing::dancing:

Offline snaponbob

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Re: How to install the BOV Spring
« Reply #4 on: February 09, 2009, 05:07:27 PM »
No gaskets to replace?
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Offline Deep-GXP

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Re: How to install the BOV Spring
« Reply #5 on: February 09, 2009, 05:15:29 PM »
No gaskets to replace?

Not from my experience.  Just pop out the old spring, put in the new one and bolt it back up.
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Offline DeepBlueGXP

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Re: How to install the BOV Spring
« Reply #6 on: February 09, 2009, 05:37:23 PM »
No, the diaphram is the gasket.  Don't loose it!!!

Offline bigcoyote

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Re: How to install the BOV Spring
« Reply #7 on: March 28, 2009, 09:46:57 AM »
I did my BOV yesterday.... one tip - if you remove the one bolt holding the power steering res. and shift it off to the front - it makes it a lot easier to get a ratchet in there. I didn't need a universal or any extentions - it was easy.

I'll try and post pics later - but the PS Res. is held by one bolt on the top bracket and the bottom just pops out - then you can move it about 6 inches  - more than enough room to work a med size ratchet on all 3 bolts. Just be careful with the line that runs out the center of the cap.

     
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Offline Hoosier GXP

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Re: How to: Install the BOV Spring
« Reply #8 on: March 29, 2009, 04:36:04 PM »
Last weekend I did two of the BOV spring replacements and found that there is a difference between my 08 GXP and my friends 07 GXP. The difference is that the wiring and some hose work is more in the way on the 07 vs the 08. The 07 took a long extension and a swivel to reach the back and bottom bolt do to the extra material in the way. Most of this stuff was wiring harnesses from under the engine cover and was fastened to brackets and not easy to remove. The 08 install was much easier as all it took was an extension and a 10 mm socket, the wiring had been rerouted unlike the 07. As far as the actual install everything was the same with the replacement of the spring. Both were made easier by removing the power steering reservoir also. This is not to say that the 07 install is difficult but only to point out that it may take a few more tools and patients and maybe a little skin from you hands  :cryin:

Offline Sol Asylum

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Re: How to: Install the BOV Spring
« Reply #9 on: March 29, 2009, 04:49:47 PM »
Last weekend I did two of the BOV spring replacements and found that there is a difference between my 08 GXP and my friends 07 GXP. The difference is that the wiring and some hose work is more in the way on the 07 vs the 08.

Did both cars have AC?  Just wondering if that may be why they are different.
2007 Aggressive GXP

Offline Hoosier GXP

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Re: How to: Install the BOV Spring
« Reply #10 on: March 29, 2009, 09:25:44 PM »
Did both cars have AC?  Just wondering if that may be why they are different.


Yes they did and both were manual transmissions also. I will have to take a closer look the next time we get together maybe take a picture of each to compare.

Offline tailhooker

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Re: How to: Install the BOV Spring
« Reply #11 on: April 02, 2009, 11:17:06 PM »
Pardon my dirt................

Offline Morfious

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Re: How to: Install the BOV Spring
« Reply #12 on: April 03, 2009, 02:59:04 AM »
I just took the hose off the end of the BOV.  That gave me enough clearance to get the last bolt out.  It is just a spring clip so it was very easy to take off and replace.
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Offline MARVIC 1

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Re: How to: Install the BOV Spring
« Reply #13 on: May 16, 2012, 12:32:15 AM »
This thread needs some fixing up! I used the Search function "BOV" and got this thread.  :gaah:
 
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Offline DeepBlueGXP

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Re: How to: Install the BOV Spring
« Reply #14 on: May 16, 2012, 05:59:52 AM »
Thanks for pointing that out.  I fixed the post above.

Offline Brazen17

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Re: How to: Install the BOV Spring
« Reply #15 on: May 16, 2012, 11:26:23 AM »
What are the advantages to replacing this spring?  :idk:
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Offline SkyAddict

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Re: How to: Install the BOV Spring
« Reply #16 on: May 19, 2012, 10:50:20 AM »
What are the advantages to replacing this spring?  :idk:

Wondering the same thing also.
2008 Saturn Sky Redline

Offline Sol Asylum

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Re: How to: Install the BOV Spring
« Reply #17 on: May 19, 2012, 01:52:53 PM »
When you go to up shift there is a momentary increase in manifold pressure as you come off the gas and drop engine RPM.  The BOV vents this pressure to help keep the turbo from having a compressor stall.  The new spring is supposed to allow you to keep a little bit higher pressure in effect reducing spool up time.
2007 Aggressive GXP

 

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