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#1
04-30-2007, 12:40 PM
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PCV Valve: clean or replace?
Clean or replace PCV Valve?
If clean, then brake cleaner or carb cleaner is better?
__________________
2004 rodeo 3.2L 2WD  AISIN AT  http://www.isuzufaq.com/ http://forum.planetisuzoo.com/ http://isuzuforums.com/ 
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#2
04-30-2007, 02:44 PM
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Re: PCV Valve: clean or replace?
I'd just replace it, it's not that expensive. Make sure you get an OEM part though. Aftermarket may not work as well.
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#3
04-30-2007, 04:27 PM
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Re: PCV Valve: clean or replace?
Yep, replace it, with OEM. Then, every other oil change, clean it up with air intake cleaner (O2 safe); but, still replace it every year - they do wear out.
__________________
1997 3.2L V6 Rodeo  32" Yoko's, 16x8 MB Wheels, 2" lift, Brushguard, KC Fog's, Loadwarrior Rack On it's way to 185k strong  2004 3.4L Tacoma TRD off-road 4x4 Double cab  32" Yoko's, Westin Bull-bar, KC Fogs 60K miles 
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#4
04-30-2007, 07:10 PM
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Re: PCV Valve: clean or replace?
would brake cleaner or carb cleaner work?
I have a spray bottle of those 2 lying around.
__________________
2004 rodeo 3.2L 2WD AISIN AT http://www.isuzufaq.com/ http://forum.planetisuzoo.com/ http://isuzuforums.com/
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#5
04-30-2007, 11:46 PM
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Re: PCV Valve: clean or replace?
don't use brake cleaner. The carb cleaner is the one you want. I'd just go out and get a new one. I'd usually spray mine off once or twice a year. Probably can't hurt doing it more often. In the three years I had my Rodeo, I replaced the PCV valve twice. May have been over-kill, but not too expensive either. Main thing is when you shake the valve you should hear the thing rattle on the inside. If you hear it it's still good.
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#6
05-01-2007, 12:03 AM
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Re: PCV Valve: clean or replace?
If your's is the original one, at 3yrs of age, I would be replacing it - it's only like $5-7 or so.
__________________
1997 3.2L V6 Rodeo 32" Yoko's, 16x8 MB Wheels, 2" lift, Brushguard, KC Fog's, Loadwarrior Rack On it's way to 185k strong 2004 3.4L Tacoma TRD off-road 4x4 Double cab 32" Yoko's, Westin Bull-bar, KC Fogs 60K miles
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#7
05-01-2007, 12:18 AM
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Re: PCV Valve: clean or replace?
Thanks guys for all your inputs.
I would buy a new one for sure. I asked around just out of curiosity and learn about this stuff. I asked the dealer and it cost around $16 for a pcv valve for my car. I'll go get it this weekend and replace it just because ... oh, FYI, It's orginal. 3 years long. shaked and still rattle. Just got my fuel filter replaced so why not pcv valve too huh?
__________________
2004 rodeo 3.2L 2WD AISIN AT http://www.isuzufaq.com/ http://forum.planetisuzoo.com/ http://isuzuforums.com/
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#8
05-01-2007, 12:34 AM
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Re: PCV Valve: clean or replace?
yea, good idea replacing it. May still be good, but you never know. $16 is a cheap insurance.
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#9
05-01-2007, 08:18 AM
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Re: PCV Valve: clean or replace?
i keep a new one on mine because the 98+ 3.2's already burn oil. i don't need more oil missing between changes! mike
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2006 liberty 3.7 6speed manual 1999 cherokee classic 4.0L 1991 wrangler yj 2.5L 2001 caravan 3.3 auto 1995&1992&1994 camry 2.2L SOLD 1991 silverado 1500 SOLD 2000 rodeo SOLD 
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#10
05-01-2007, 08:34 AM
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Re: PCV Valve: clean or replace?
Hmm. 160K+ on mine. Maybe I'll swap it. That'll kill 5 more minutes of the 2 weeks I have off...
__________________
1997 Isuzu Rodeo LS 3.2L V6 SOHC 4L-30E Dueler Alenzas 4x2 1997 TJ Sport 4.0L D35 rear 5 spd 31" Dayton Timberline ATs 1996 VW Jetta GLS 2.0L 5 spd
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#11
05-01-2007, 11:08 AM
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Re: PCV Valve: clean or replace?
Quote:
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--Dave 1999 Rodeo LS 3.2 4x4 5 Speed 32x11.50-15 BFG T/A KO 3" Lift - Rancho 9000x Rear No-Slip Locker Flowmaster 2.25" 50 Series There is a very fine line between "hobby" and "mental illness." - Dave Barry
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#12
05-01-2007, 11:55 AM
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Re: PCV Valve: clean or replace?
Been there done that! I looked for the grommet as soon as I finished finding the PVC.
__________________
1997 Isuzu Rodeo LS 3.2L V6 SOHC 4L-30E Dueler Alenzas 4x2 1997 TJ Sport 4.0L D35 rear 5 spd 31" Dayton Timberline ATs 1996 VW Jetta GLS 2.0L 5 spd
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#13
05-01-2007, 07:15 PM
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Re: PCV Valve: clean or replace?
I just cleaned mine out with some intake cleaner. Is this a true PCV valve? I can blow through either side without flow impeded. It's acting like a simple crankcase breather, an elbow without any check to backflow. It jiggles when I shake it, and I can see a little spring in the bottom...
I guess it'll be answered when I get the new one...
__________________
1997 Isuzu Rodeo LS 3.2L V6 SOHC 4L-30E Dueler Alenzas 4x2 1997 TJ Sport 4.0L D35 rear 5 spd 31" Dayton Timberline ATs 1996 VW Jetta GLS 2.0L 5 spd
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#14
05-01-2007, 08:07 PM
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Re: PCV Valve: clean or replace?
I believe from my limited knowledge that pcv valve is a one-way street device.
You can blow freely thru the inlet but not the outlet. If both feels the same then replacement is needed.
__________________
2004 rodeo 3.2L 2WD AISIN AT http://www.isuzufaq.com/ http://forum.planetisuzoo.com/ http://isuzuforums.com/
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#15
05-01-2007, 08:09 PM
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Re: PCV Valve: clean or replace?
oh, for my car, the pcv valve looks like a giant screw that you screw into the valve cover on the right bank ( standing in front of engine ).
I think the older rodeos use the elbow type.
__________________
2004 rodeo 3.2L 2WD AISIN AT http://www.isuzufaq.com/ http://forum.planetisuzoo.com/ http://isuzuforums.com/
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