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> Pcv Cleaning?
post Aug 21 2006, 01:46 PM
Post #1


Group: Members
Posts: 2
Joined: 29-August 05
Member No.: 7,371
Status: Offline
Location: Washington, DC
Drives: 1998 V70

I'm a bit confused about whether I need to worry about cleaning out the PCV system (a.k.a. "flame trap") on my car. I have a 1998 V70 non-turbo (base model). Some of the info I've found on the web says this was the last car that Volvo made with a servicable PCV system, while other sites contradict this. Which is it? How can I find out for sure? My car has almost 100K on it, and I want to make sure that I avoid getting excess pressure in the engine and blowing out the seals (if I haven't done so already!).

Any guidance on this issue would be greatly appreciated.
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post Sep 25 2006, 07:49 PM
Post #2


Group: Members
Posts: 3
Joined: 14-February 06
Member No.: 11,804
Status: Offline
Location: Canada
Drives: 1998 Volvo S70

I just changed by flame guard cost of the part $6.00 CAD. (Part # 9434511) Takes 5 mins and is a good engine precaution from what i've read in the past.

1) Remove the Throttle pulley cover
2) Undo the hose clamp and remove the inlet hose to air cleaner housing
3) Remove the flame trap from the hose by rotating it 0.59 inches to the left
4) Remove the flame trap from the inslet hose using a smal screwdriver or pick.

5) Inspect the hoses for clogs, anc clean out if necessary
6) Insert a new flame trap into the inlet hose and rotate it back to the original position
7) Install the inlet hose onto the air cleaner housing and install the hose clamp.
9) Install the throttle pulley cover.
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post Oct 17 2006, 04:08 PM
Post #3


Group: Members
Posts: 8
Joined: 16-October 06
Member No.: 20,341
Status: Offline
Location: Canada
Drives: 1998 Volvo V70 2.5 SE


I would like to change the PCV valve on my car... I guess it's also called a flame trap. I found very detailed instructions on this forum saying it would take 2.5 to 3.5 hours to change the flame trap because its under the manifold. This was on an 850 non-turbo I believe.

My car is a 1998 V70 non turbo 2.4 I5...

Is it the same method to change the flame trap as the 850 or will I be lucky and only have to take 5 minutes to do it?

Thanks for any advice at all on the subject, I would greatly appreciate it. ( I dont have a volvo dealer within 600kms of me).

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