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Nissan PCV Valve Replacement

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Nissan PCV Valve Replacement

Nissan United States PCV Valve Nissan United States PCV Valve Nissan United States PCV Valve Nissan United States PCV Valve Nissan  PCV Valve
Nissan United States PCV Valve Nissan United States PCV Valve Nissan United States PCV Valve Nissan United States PCV Valve Nissan United States PCV Valve



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What is a PCV valve?
The Positive Crankcase Ventilation valve, or PCV valve, is a valve that resides within the crankcase where the crankshaft is housed and protected. The valve allows gases and emissions, let into the crankcase through the pistons, to escape. If the valve was not present, the build up of pressure would exceed the limits of the crankcase. You may be thinking that pistons should not allow for emissions to pass into the crankcase as they have rings, boots, and seals to form a pressure tight system. This assumption is correct, but mainly in worn or damaged pistons, small amounts of emissions get through during the up and down stroke motion of the crank. The PCV valve is part of an overall ventilation system which redirects these leaked gases back into the intake manifold for additional air to aid in further combustion.

How do I know if my PCV valve is going bad?
You do not always get signs that your PCV valve is failing. That's why it's very important to keep up on factory recommended maintenance and replacement intervals. If there are any visible signs, you would experience rough idle, rough or sporadic sensation during acceleration, possible piston misfiring, and possible backfire of built up emissions. The car may also act and smell as if it were running “rich” which implies a heavier presence of fuel compared to air in the mixture needed for combustion.

How do I replace it?
The valve itself is not that difficult to replace. After accessing it, you would disconnect the breather tube, unscrew it from the crankcase, install the replacement by screwing it into the crank case, and then re-attach the breather tube making sure all connections were tightened adequately. The difficult part is accessing the PCV valve as it may require the removal of many other components in order to replace it. Consult your owner's manual or local dealer service department for more information.

When is the valve most important?
The PCV valve is under heaviest stress during acceleration as that is when the most emissions would be released from worn cylinders. That is also when you will most likely feel the effects of a worn PCV valve. At idle and full throttle, the PCV valve is almost useless as the force of the vacuum in those two states is greatest and emissions aren't usually a problem.

What's the best way to maintain the valve?
The best way to maintain your PCV vale is by listening to your parents' old adage about changing your oil every three thousand miles. PCV valves get worn by collecting dirt, grit, and engine particles from old and dirty oil. They can clog the valve and render it ineffective. Also, keep up on factory recommended maintenance schedules which include a replacement interval for a new PCV valve.

Latest Nissan PCV Valve Applications

08/87 -  Nissan Pulsar NX SE 1.8DOHC CA18DE United States PCV Valve border= United States PCV Valve
08/87 - Nissan Pulsar NX SE 1.8DOHC CA18DE PCV Valve
03/85 -  Nissan Stanza 2.0 Wagon CA20E United States PCV Valve border= United States PCV Valve
03/85 - Nissan Stanza 2.0 Wagon CA20E PCV Valve
11/94 -  Nissan 200SX 1.6 SE GA16DE United States PCV Valve border= United States PCV Valve
11/94 - Nissan 200SX 1.6 SE GA16DE PCV Valve
11/94 -  Nissan Sentra 1.6 base/E GA16DE United States PCV Valve border= United States PCV Valve
11/94 - Nissan Sentra 1.6 base/E GA16DE PCV Valve
08/90 - 10/94 Nissan Sentra 1.6 XE/SE 2dr GA16DE United States PCV Valve border= United States PCV Valve
08/90 - 10/94 Nissan Sentra 1.6 XE/SE 2dr GA16DE PCV Valve
12/80 - 06/83 Nissan 280ZX 2.8 Turbo L28ET United States PCV Valve border= United States PCV Valve
12/80 - 06/83 Nissan 280ZX 2.8 Turbo L28ET PCV Valve
09/74 - 06/79 Nissan 620 Pickup 2.0 L20B United States PCV Valve border= United States PCV Valve
09/74 - 06/79 Nissan 620 Pickup 2.0 L20B PCV Valve
11/94 - 12/99 Nissan Sentra 1.6 XE GA16DE United States PCV Valve border= United States PCV Valve
11/94 - 12/99 Nissan Sentra 1.6 XE GA16DE PCV Valve
10/03 -  Nissan Titan Pickup 5.6 4WD VK56DE  PCV Valve border= PCV Valve
10/03 - Nissan Titan Pickup 5.6 4WD VK56DE left or right (2 per
engine) PCV Valve
08/81 - 12/85 Nissan Stanza 2.0 (exc.Wgn) CA20S,E United States PCV Valve border= United States PCV Valve
08/81 - 12/85 Nissan Stanza 2.0 (exc.Wgn) CA20S,E PCV Valve
08/90 - 10/94 Nissan Sentra 1.6 Std/E 4dr GA16DE United States PCV Valve border= United States PCV Valve
08/90 - 10/94 Nissan Sentra 1.6 Std/E 4dr GA16DE PCV Valve
08/90 - 10/94 Nissan Sentra 1.6 Std/E 2dr GA16DE United States PCV Valve border= United States PCV Valve
08/90 - 10/94 Nissan Sentra 1.6 Std/E 2dr GA16DE PCV Valve
10/73 - 08/74 Nissan 620 Pickup 1.8 L18 United States PCV Valve border= United States PCV Valve
10/73 - 08/74 Nissan 620 Pickup 1.8 L18 PCV Valve
07/01 - 08/04 Nissan Pathfinder 3.5 4WD VQ35DE  PCV Valve border= PCV Valve
07/01 - 08/04 Nissan Pathfinder 3.5 4WD VQ35DE Nissan no longer includes o-ring #11812-6N200 with this valve; please order separately if needed. PCV Valve Nissan no longer includes o-ring #11812-6N200 with this valve; please order separately if needed.
10/04 -  Nissan Frontier 2WD 4-cyl. QR25DE  PCV Valve border= PCV Valve
10/04 - Nissan Frontier 2WD 4-cyl. QR25DE PCV Valve
07/01 - 12/04 Nissan Xterra Supercharged VG33ER United States PCV Valve border= United States PCV Valve
07/01 - 12/04 Nissan Xterra Supercharged VG33ER PCV Valve
07/00 - 09/04 Nissan Frontr.2WD V6+S/chgr VG33ER United States PCV Valve border= United States PCV Valve
07/00 - 09/04 Nissan Frontr.2WD V6+S/chgr VG33ER PCV Valve
04/92 - 08/98 Nissan Quest 3.0 VG30E United States PCV Valve border= United States PCV Valve
04/92 - 08/98 Nissan Quest 3.0 VG30E PCV Valve
01/00 -  Nissan Sentra 1.8 CA QG18DE United States PCV Valve border= United States PCV Valve
01/00 - Nissan Sentra 1.8 CA QG18DE PCV Valve
07/83 -  Nissan 300ZX 2-seat Turbo VG30ET United States PCV Valve border= United States PCV Valve
07/83 - Nissan 300ZX 2-seat Turbo VG30ET PCV Valve


Some Nissan PCV Valve Applications (View Full Catalog Above)

Nissan 200SX 1.6 base/S Nissan 200SX 1.6 SE Nissan 200SX 2.0 4-Cyl.
Nissan 200SX SER Nissan 200SX 2.2 Nissan 240SX 2.4 DOHC
Nissan 240SX 2.4 SOHC Nissan 240Z 2.4 Nissan 280Z 2.8
Nissan 280ZX 2.8 Nissan 280ZX 2.8 Turbo Nissan 300ZX 2+2 Coupe
Nissan 300ZX 2-seat Nissan 300ZX 2-seat Coupe Nissan 300ZX 2-seat Turbo
Nissan 300ZX Twin Turbo Nissan 350Z Coupe base Nissan 350Z Coupe Perfrmnce
Nissan 350Z Coupe Touring Nissan 350Z Coupe Track Nissan 350Z Roadstr Touring
Nissan 510 1.6 Nissan 620 Pickup 1.8 Nissan 620 Pickup 2.0
Nissan 720 Pickup 2.0 Nissan 720 Pickup 2.4 Nissan Altima 2.4 GLE
Nissan Altima 2.4 GXE Nissan Altima 2.4 SE Nissan Altima 2.4 XE
Nissan Altima 2.4 XE/GXE Nissan Altima 2.5 (base) Nissan Altima S 2.5
Nissan Altima 2.5 SL 4-cyl. Nissan Altima 3.5 SE V6 Nissan Axxess 2.4 2WD
Nissan Frontier 2WD 4-cyl. Nissan Frontier 2WD V6 Nissan Frontier 4WD 4-cyl.
Nissan Frontier 4WD V6 Nissan Frontr.2WD V6+S/chgr Nissan Hardbody 2WD Pup 2.4
Nissan Hardbody 4WD Pup 2.4 Nissan Hardbody 4WD Pup 3.0 Nissan Maxima 3.0 DOHC SE
Nissan Maxima GLE Nissan Maxima 3.0 GXE Nissan Maxima 3.0 SE
Nissan Maxima 3.0 SOHC GXE Nissan Maxima 3.0 SOHC SE Nissan Maxima 3.5 GLE
Nissan Maxima 3.5 SE Nissan Maxima 3.5 SL Nissan Micra (Canada only)
Nissan Murano 3.5 2WD Nissan NX2000 Nissan Pathfinder 2.4 4WD
Nissan Pathfinder 3.0 2WD Nissan Pathfinder 3.0 4WD Nissan Pathfinder 3.3 2WD
Nissan Pathfinder 3.3 4WD Nissan Pathfinder 3.5 2WD Nissan Pathfinder 3.5 4WD
Nissan Pathfinder 4.0 2WD Nissan Pathfinder 4.0 4WD Nissan Pulsar NX SE 1.8DOHC
Nissan Quest 3.0 Nissan Quest 3.3 Nissan Quest 3.5 SE
Nissan Sentra 1.6 Nissan Sentra 1.6 2dr/4dr Nissan Sentra 1.6 2WD Wagon
Nissan Sentra 1.6 4WD Wagon Nissan Sentra 1.6 base/E Nissan Sentra 1.6 GXE/GLE
Nissan Sentra 1.6 Std/E 2dr Nissan Sentra 1.6 Std/E 4dr Nissan Sentra 1.6 XE
Nissan Sentra XE GXE Nissan Sentra 1.6 XE/SE 2dr Nissan Sentra 1.8 base/S
Nissan Sentra 1.8 CA Nissan Sentra 1.8 GXE Nissan Sentra 1.8 XE
Nissan Sentra 2.0 SE Nissan Sentra 2.0 SE-R 2dr Nissan Sentra 2.5 SE-R
Nissan Sentra SER Spec V Nissan Stanza 2.0 (exc.Wgn) Nissan Stanza 2.0 Wagon
Nissan Stanza 2.4 XE Nissan Titan Pickup 5.6 2WD Nissan Titan Pickup 5.6 4WD
Nissan Xterra 2WD V6 Nissan Xterra Supercharged

CA18DE CA20E CA20S,E E16 E16I E16S,I GA16DE GA16I
KA24DE KA24E L16 L18 L20B L24 L28E L28ET
MA12S QG18DE QR25DE SR20DE VE30DE VG30DE VG30DTT VG30E
VG30ET VG30I VG33E VG33ER VK56DE VQ30DE VQ35DE VQ35__
VQ40DE Z20 Z22E Z24 Z24I


More Applications (View Full Catalog Above)

Acura Audi Cadillac Chevrolet Chrysler Dodge Eagle Ford
Geo GMC Honda Hyundai Infiniti Isuzu Jaguar Jeep
Kia Lexus Mazda Mercedes Benz Mercury Mitsubishi Oldsmobile Plymouth
Rover Saab Scion Subaru Suzuki Toyota Volkswagen
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