IPD sale XeMODeX - Experts in Volvo Electronics
Did you know? 🤔
Logged in users can get email notification of topic replies Log in or register (free).
Amazon Link Buy your stuff using this and it helps MVS!

01 v70 PCV system: drive without it?

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

2001 - 2007 V70
2004 - 2007 V70 R
2001 - 2007 XC-70
2001 - 2009 S60
2003 - 2007 S60 R

Posts: 73
Joined: Mon Jan 14, 2019 8:15 am
Year and Model: 01 V70 Base
Location: Oklahoma
Has thanked: 11 times
Been thanked: 0
United States of America

01 v70 PCV system: drive without it?

Post by CIK7 » Sun Sep 01, 2019 5:59 pm

I have determined my car needs a new PCV system. I bought the kit. But which parts actually should be replaced? Just hoses or entire thing with breather box? I understand the PCV system is for emissions, per what Robert 'DIY' Spinner says. I understand that a clogged PCV system can cause the front main seal to bust (rarely i heard) and the rear main seal to bust. But what would happen if i drove it with no PCV system? Its a NA (base model) engine.

User avatar
MVS Moderator
Posts: 18175
Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 99T5 ,99S70,2005V70
Location: NYC, ALBANY NY
Has thanked: 200 times
Been thanked: 647 times
Trinidad & Tobago

Re: 01 v70 PCV system: drive without it?

Post by abscate » Mon Sep 02, 2019 3:23 am

You can route they crankcase gasses to the road with a tube , otherwise your engine bay gets all oily.

The bad part is you will suck dirt and grit into your engine every time you lift your foot, so that’s hard on the oil and thus the bearings and expensive bits

Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW

User avatar
- Pete -
Posts: 158
Joined: Fri Dec 06, 2013 10:13 pm
Year and Model: 01, 04, 04, 06 V70's
Location: Minnesota/Wisconsin
Has thanked: 15 times
Been thanked: 24 times
United States of America
- Pete -

Re: 01 v70 PCV system: drive without it?

Post by - Pete - » Mon Sep 02, 2019 10:54 pm

Your soul will become enslaved as a concubine to the myriad of deceased Prius owners who’ve helped all ecosystems & humanity with their eco-mindedness.

If you already bought all the components, just change it all out. If it’s plugged, you will have oil leak(s), best case scenario. Worst case, you’ll lose oil PSI completely. <— This is NOT a good thing.

2001 V70XC 135k
2004 V70 AWD 130k
2004 XC70 278k
2006 XC70 150k

Post Reply