Emission hose mystery

[Sierra]

I was cleaning and replacing hoses on my 1978 B210 and I found that I have the following nipple without a hose.

I have no idea where this hose goes to.

Any clue?

The nipple is just bellow and to the right of the EGR Control Valve

 

Note: My B210 has a manual transmission and my buddy has a B210 Automatic and to my amazement his does not have it

 

 

[racerx]

start the car and see if it sucks, if it does it's vacuum.  If not in use plug it. 

[king bee66]

i think it goes to the airbox

[Kirden]

I don't have the same connection on my B210, but here is what I have.

 

 

The hose goes to this connection

 

 

Hope this helps.

[king bee66]

I think he's talking about the nipple between the egr and the pcv

[Kirden]

My bad, I didn't pay enough attention to the picture. I looked back and he seems to be looking for the nipple under the hose I posted.

 

I do not have this nipple. Sorry I couldn't be of more help. I couldn't get a good picture due to my camcorder auto focusing, but here is what I got:

 

 

I don't have any type of connection under that hose. However, the nipple that is unhooked in this picture goes to the breather:

 

 

Best of luck figuring this one out.

[Dguy210]

Is this the original engine (1978)? I have a 78 FSM and this nipple is not pictured.

[Sierra]

Thanks everyone for the feedback.

I think it goes to the airbox but I am not 100% sure yet.

In regards to Dguy210 question: I am not sure if it is the OG engine.

I got the B210 in pretty bad conditions about 8 months ago and I been working on it little by little. I know is a A14 engine.

Here are a couple of better pictures.

 

 

 

 

[Sierra]

Okay guys, I need your help again.

So it turns out that my B210 has a Vacuum Switching Valve (VSV) with 3 nipples/ports. (See picture) and I am trying to figure out where each hose connects to.

 

 

After some research online and on service manuals I cannot seem to find a VSV with 3 ports. All the diagrams out there have a VSV with only two ports (See picture).  [Vacuum Switching Valve is number 6 in diagram]

 

 

If anyone out there has the same VSV as mine (3 ports) can you please help me figure this one out.

Thanks in advance guys.

[Dguy210]

Ok I am now convinced the engine or at least the intake is not a '78. From the '78 FSM the VSV has 2 ports. However, the 81 210 FSM (which Colourbox posted earlier http://community.ratsun.net/topic/49640-1981-datsun-210-manual-pdfs/) has 3 ports (page 136 of 451).

 

 

Edit: Note the quoting system is malfunctioning for the previous post, it moves the close quote tag to the end of my text, even when I manually move it to the end of the quote text it moves it back.

Edited March 27, 2013 by Dguy210

[Sierra]

Thanks Dguy210 I was going crazy here trying to figure out this emission system.

So the previous owner maybe did a swap of entire engine, the intake manifold, or the cylinder head.

So I guess I will follow the diagram of the 81 210 for the VSV.

Thanks again.

[Davec]

Do you still need all the emmisions on your car?  Just asking cuz up here in Washington, anything 25 years or older is exempt.

[Dguy210]

Do you still need all the emmisions on your car?  Just asking cuz up here in Washington, anything 25 years or older is exempt.

Unfortunately, he does. 75 and before, used to be 25 years and they changed the law and grandfathered in the already exempt ones.

[Davec]

Well that bites, ya most of the ones i get, that is the first stuff that goes is all the emmisions, usually just through it all away.

[Sierra]

I would like to have extras if posible.

PM me the next time you have emissions stuff for B210's

[j_boy_619]

I thought 75 and earlier was exempt in cali?

 

Does my vehicle qualify for a smog exemption?

Smog inspections are required unless your vehicle is:

• Hybrid
• Gasoline powered 1975 year model or older
• Diesel powered 1997 year model and older or with a Gross Vehicle Weight rating (GVWR) of more than 14,000 lbs
• Electric
• Natural gas powered with a GVWR rating of more than 14,000 lbs.
• Motorcycle
• Trailer

http://www.dmv.ca.gov/vr/smogfaq.htm#BM2536

[Dguy210]

I thought 75 and earlier was exempt in cali?

 

 

Does my vehicle qualify for a smog exemption?

Smog inspections are required unless your vehicle is:

• Hybrid

• Gasoline powered 1975 year model or older

• Diesel powered 1997 year model and older or with a Gross Vehicle Weight rating (GVWR) of more than 14,000 lbs

• Electric

• Natural gas powered with a GVWR rating of more than 14,000 lbs.

• Motorcycle

• Trailer

http://www.dmv.ca.gov/vr/smogfaq.htm#BM2536

Yeah 75 and before is "exempt" from testing. Technically you still needed all the equipment, and people have been nailed on that with engine swaps. I just worded it poorly. For a time it was anything 25 and older. They changed the law to 76 and newer still need testing.

[Davec]

well that is easy, take all your emmisions stuff off put it in a clear ziplock bag and attach it somewhere in the engine compartment, and when they ask to see it point at the ziplock bag, yep it's right there..........

[0r0B210]

Sweet B!  I would trade my two door for a four door, any day.

-Octavio.