CCV valve?
#1
Member
Thread Starter
Join Date: Jan 2004
Location: LONG ISLAND , NY
Posts: 328
Likes: 0
Received 0 Likes
on
0 Posts
Car: 86 T/A
Engine: 2000 TPI 5.7L vortec L31
Transmission: 700R4
CCV valve?
Hi im trying to get a CCV valve, at least thats what im sure its called. I saw it in a Mitchell manual, Its on 89 firebirds and camaro TPI's. Its on the pass. side valve cover and has a vacuum line going from the valve to the throttle body. Anyone Know what Im talking about? and Is this the correct terminology for this valve? thanks,
#2
Supreme Member
iTrader: (2)
Join Date: Jul 2003
Location: Dallas, TX area
Posts: 3,205
Likes: 0
Received 0 Likes
on
0 Posts
Car: 91 Formula WS6 (Black, T-Tops)
Engine: 383 MiniRam (529 HP, 519 TQ - DD2K)
Transmission: Built '97 T56, Pro 5.0, CF-DF
Axle/Gears: 4.11 posi Ford 9"
I believe that's just a breather tube and is connected to the throttle body to make sure it gets air that has already gone thru the air filter (cleaner that way). At least that's what it is on my 91.....
#3
TGO Supporter
Join Date: Sep 2003
Location: conway, s.c.
Posts: 6,127
Likes: 0
Received 7 Likes
on
7 Posts
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Originally posted by vernw
I believe that's just a breather tube and is connected to the throttle body to make sure it gets air that has already gone thru the air filter (cleaner that way). At least that's what it is on my 91.....
I believe that's just a breather tube and is connected to the throttle body to make sure it gets air that has already gone thru the air filter (cleaner that way). At least that's what it is on my 91.....
#4
Member
Thread Starter
Join Date: Jan 2004
Location: LONG ISLAND , NY
Posts: 328
Likes: 0
Received 0 Likes
on
0 Posts
Car: 86 T/A
Engine: 2000 TPI 5.7L vortec L31
Transmission: 700R4
Originally posted by Trickster
Uh Huh,.....what he said!!!!!! CCV stands for Crank Case Ventilation. It is an open tube that fits in the passenger side valve cover with a hose or plastic tube running to the throttle body.
Uh Huh,.....what he said!!!!!! CCV stands for Crank Case Ventilation. It is an open tube that fits in the passenger side valve cover with a hose or plastic tube running to the throttle body.
#5
Supreme Member
Join Date: Apr 2003
Location: Bonner Springs, KS
Posts: 1,751
Likes: 0
Received 4 Likes
on
4 Posts
Car: 1995 Corvette
Engine: LT1
Transmission: 6 spd Manual
Axle/Gears: Dana 44, 3:45:1
What they're trying to tell you is that it is NOT a valve.. It is the fresh air source for the PCV system (a tube running from the throttle body to the passenger side valve cover)... You DON'T want to put a PCV valve in there (that will just allow no air to enter). Find away to connect the hole on the valve cover to the hole on the throttle body (using a hose, the factory plastic tube or whatever). Alternatively, you could just put one of those little breather filters in the valve cover..
#6
Member
Thread Starter
Join Date: Jan 2004
Location: LONG ISLAND , NY
Posts: 328
Likes: 0
Received 0 Likes
on
0 Posts
Car: 86 T/A
Engine: 2000 TPI 5.7L vortec L31
Transmission: 700R4
Originally posted by thirdgen88
What they're trying to tell you is that it is NOT a valve.. It is the fresh air source for the PCV system (a tube running from the throttle body to the passenger side valve cover)... You DON'T want to put a PCV valve in there (that will just allow no air to enter). Find away to connect the hole on the valve cover to the hole on the throttle body (using a hose, the factory plastic tube or whatever). Alternatively, you could just put one of those little breather filters in the valve cover..
What they're trying to tell you is that it is NOT a valve.. It is the fresh air source for the PCV system (a tube running from the throttle body to the passenger side valve cover)... You DON'T want to put a PCV valve in there (that will just allow no air to enter). Find away to connect the hole on the valve cover to the hole on the throttle body (using a hose, the factory plastic tube or whatever). Alternatively, you could just put one of those little breather filters in the valve cover..
#7
Member
Thread Starter
Join Date: Jan 2004
Location: LONG ISLAND , NY
Posts: 328
Likes: 0
Received 0 Likes
on
0 Posts
Car: 86 T/A
Engine: 2000 TPI 5.7L vortec L31
Transmission: 700R4
Originally posted by vortec77
Do any of you guys think i will be able to purchase a CCV valve for this? and if so where can i get one?
Do any of you guys think i will be able to purchase a CCV valve for this? and if so where can i get one?
Trending Topics
#8
Senior Member
Join Date: Dec 2003
Location: Oklahoma
Posts: 647
Likes: 0
Received 0 Likes
on
0 Posts
Car: 1991 Trans AM GTA
Engine: 5.7L TPI
Transmission: 700R4
Originally posted by thirdgen88
Find away to connect the hole on the valve cover to the hole on the throttle body (using a hose, the factory plastic tube or whatever). Alternatively, you could just put one of those little breather filters in the valve cover..
Find away to connect the hole on the valve cover to the hole on the throttle body (using a hose, the factory plastic tube or whatever). Alternatively, you could just put one of those little breather filters in the valve cover..
#9
Supreme Member
Join Date: Apr 2003
Location: Bonner Springs, KS
Posts: 1,751
Likes: 0
Received 4 Likes
on
4 Posts
Car: 1995 Corvette
Engine: LT1
Transmission: 6 spd Manual
Axle/Gears: Dana 44, 3:45:1
Well, your friend doesn't know much about how a pcv system functions.. That port on the throttle body isn't a vacuum port, it is a fresh air port. I would plug it just so it is not open, but it isn't a vacuum port, it is a source of fresh and filtered air. A pcv valve would shut in that position and not allow any other air in (think about how a pcv valve is designed (it is designed to have vacuum on the hose end to pull the plunger up and allow air to be sucked up))...
#10
Supreme Member
Join Date: Apr 2003
Location: Bonner Springs, KS
Posts: 1,751
Likes: 0
Received 4 Likes
on
4 Posts
Car: 1995 Corvette
Engine: LT1
Transmission: 6 spd Manual
Axle/Gears: Dana 44, 3:45:1
Originally posted by vortec77
I Know ive seen, something that goes there, and its not just a hose that goes in there. (at least i thought so) ive seen them on corvettes. Id rather get the hose that runs to that area from the Throttle body then put an air breather there, or is there really no difference at all between the air breather or the hose?
I Know ive seen, something that goes there, and its not just a hose that goes in there. (at least i thought so) ive seen them on corvettes. Id rather get the hose that runs to that area from the Throttle body then put an air breather there, or is there really no difference at all between the air breather or the hose?
#11
Member
Thread Starter
Join Date: Jan 2004
Location: LONG ISLAND , NY
Posts: 328
Likes: 0
Received 0 Likes
on
0 Posts
Car: 86 T/A
Engine: 2000 TPI 5.7L vortec L31
Transmission: 700R4
Originally posted by thirdgen88
Its just the difference between it drawing air from an independant little filter mounted on the valve cover, or drawing its fresh air from the air intake stream (and your regular air filter).
Its just the difference between it drawing air from an independant little filter mounted on the valve cover, or drawing its fresh air from the air intake stream (and your regular air filter).
#13
Member
Thread Starter
Join Date: Jan 2004
Location: LONG ISLAND , NY
Posts: 328
Likes: 0
Received 0 Likes
on
0 Posts
Car: 86 T/A
Engine: 2000 TPI 5.7L vortec L31
Transmission: 700R4
Originally posted by thirdgen88
Nothing more than a hollow plastic elbow that allows you to connect the hose.
Nothing more than a hollow plastic elbow that allows you to connect the hose.
#14
Re: CCV valve?
I want to purge the charcol canister on a '85 TPI... I have a diagram that shows the purge hose connecting to the pcv hose and going into the driver's side valve cover... I am wondering, since I have put the canister on the passenger side of the engine, can I just go into the ccv hose and go into the valve cover like the pcv? Aren't the two valve covers connected with the same air inside or are they sepatate? Don't quite understand the diverences...both are ventilator's... ???
#15
Supreme Member
iTrader: (13)
Join Date: Apr 2005
Location: Not in Kansas anymore
Posts: 7,732
Likes: 0
Received 11 Likes
on
11 Posts
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: CCV valve?
If both hoses were connected to a vac then you would have no airflow because there would be nowhere for air to get into system to allow air out at other end.
Put your mouth on the end of a soda bottle and suck;
what happens?
#16
Re: CCV valve?
So the ccv side pulls fresh air out as it comes through the air cleaner and the pcv side pushes the air out of the crankcase and into the intake where it can go into the cylinders and get burned the rest of the way? This will eliminate the purge fumes going into the crankcase. They will go right into the TB. So the port where the pcv goes into the intake is a vacuum? This means I air cannot go into the crankcase on the pcv side because of that ball inside it? I believe I get it now...but where does the egr fit into it, doesn't it do what the pcv does, puts unburned gas fumes from the crankcase into the cylinders to burn the fumes the rest of the way...???
I will find a way to make the hose go around the back side of the engine and make it look clean.
And another thing: do you happen to know how often the canister purges itself...every couple minutes of driving? I know the ecm tells it to do this, but how does the ecm know...a timer or something or???
thanks vetteoz.
I will find a way to make the hose go around the back side of the engine and make it look clean.
And another thing: do you happen to know how often the canister purges itself...every couple minutes of driving? I know the ecm tells it to do this, but how does the ecm know...a timer or something or???
thanks vetteoz.
#17
Supreme Member
iTrader: (13)
Join Date: Apr 2005
Location: Not in Kansas anymore
Posts: 7,732
Likes: 0
Received 11 Likes
on
11 Posts
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: CCV valve?
Air goes from the TB to pass side cover , through the engine ,out PCV valve on Drv side cover to vac port at intake
It recirculates exhaust gas into engine to lower emissions; that is why it is called Emissions Gas Recirculation
#18
Junior Member
Join Date: Feb 2012
Location: Carson, VA
Posts: 6
Likes: 0
Received 0 Likes
on
0 Posts
Car: 85 Camaro Z28
Engine: 305 LG4 4 bbl
Transmission: 700R4
Axle/Gears: Stock
Re: CCV valve?
EGR=Exhaust Gas Recirculation, CCV=Canister Control Valve. At least thats what Chiltons calls those things.
#20
Senior Member
iTrader: (3)
Join Date: Nov 2007
Location: Salt Lake
Posts: 844
Likes: 0
Received 2 Likes
on
2 Posts
Car: 1989 IROC & ROLL-Z
Engine: L98 Vortec FIRST TPI
Transmission: T56, Mech Speedo
Axle/Gears: G92 J65 3.27
Re: CCV valve?
I dont have a part number but I had an Idea and it seemed to work great.
Cut off the end of an old PCV valve. Take out the plunger and spring. Voila.
Cut off the end of an old PCV valve. Take out the plunger and spring. Voila.
Thread
Thread Starter
Forum
Replies
Last Post
355tpipickup
Tech / General Engine
9
09-13-2015 11:35 PM