linderpat

Ok, just started the tear down for my intake R&R and fuel hose replacement project. Getting it all ready for a re-assembly tech session here at my house next weekend (feel free to join, the more the merrier). Doing lots of cataloguing of parts, detailed disassembly diary, and so forth.
Anyway found a few oddball things.
1. The first is with the injectors - they were filthy, hard to believe the car even ran. Ther curious thing is that on one of them, passenger side, second from front, when I unplugged it, the harness was filled with oil. See 3d pic below. How could oil have gotten in there, and would that injector have been working?
2. Next, there is a vacum hose comming from the firewall in the rear of the engine bay, it is blue in the 2d pic below. It has an elbow on the end, with a screw stuck in it. What was this for, and where should it connect?
3. Last, there was another vac hose comming out of the firewall (on passenger side), not attached to anything. See first and fourth pics below. Any ideas as to what it is for? I have heat in car, but no a/c. When I got the car, had no heat but did have a/c, and my mechanic gave me heat at the expense of a/c. Could this be related to that?
Thanks all

Shane

Oil must have been leaking out of your intake boots down onto the connector.

IIRC that vacuum line goes to the brain, and should be reconnected.

Shane

The line that is plugged with a bolt I believe should be connected to your heater valve.

Shane

Tough to really say on the vacuum lines without being able to trace both ends to see where they terminate. Do you still have all your smog equipment?

linderpat

yes, all smog equipment is still there. Everything is basically stock, except for the hvac work done previously, to jury rig so heat works. That's a whole 'nother project tho...

Shane

Do you have the vacuum diagram?

Shane

Here is a thread with a couple of diagrams, the one figgen posted has more details and will help with the routing.

https://rennlist.com/forums/showthre...=Vacuum&page=2

leperboy

That would be my guess, too. I don't even see a heater valve in that picture.

Matt

linderpat

Thanks Shane, I do have that diagram. I also do think it is for the heater valve, which sits lower in the firewall and wasn't on the pics. Got most of the stuff out of the V except for the throttle body - last big thing to remove, then I can put it all back together next weekend....

Brett Matthews

Ed,
Can't see the end of the fuel pressure regulator, so I cannot see if'n it is one that has a vacuum port.... And, not knowing the configuration of nearly anything other than my '87, IF I am seeing the pic right, we're looking at the driver's side of the engine bay? If so, and I remember correctly, on Rosy, that regulator doesn't have a vacuum port....

No clue as to where that open-ended vacuum line goes, but the fact that it IS open, can't be helping your vacuum pressure retention.....

See ya next weekend!
BTW, anything I should particularly bring, tool-wise?

JHowell37

I have one vacuum line that is capped off on my '85. I can't remember if it's supposed to be like that or not, but the colored lines typically go to HVAC. The line on the passenger side of the car should probably go to the 7-way fitting which you'll find as you disassemble more of the intake.

PorKen

Is your '86 kinda sluggish? The line with the elbow in it goes to the EZ-F, so your ignition timing has been way retarded all this time.

Don't forget new rubber buffers for the intake (filter box too). They usually break as you reinstall everything, if they haven't already.

Paper intake gaskets from '85 work fine, and will save you a big chunk of change.

IMHO, injectors are a wear item, and should be replaced. A set of new Ford 24# injectors often costs less (on eBay) than rebuilding.

JHowell37

Make sure you have a "1/4 drive metric socket set with at least one long and one short extension. Also some of those tiny combination wrenches in metric sizes (less then 10mm.) They're much easier to use on some of those older hose clamps. Some of those Craftsman ratcheting wrenchs are great. And these are a handy addition to those ratcheting wrenches:
http://www.sears.com/shc/s/p_10153_1...nd%7CCraftsman

linderpat

Brett - what J howell said is good if you have any of those tools (the tiny combo wrenches). Took the throttle body off today, and that was the biggest pia. Could have used some special tools.
There is a nut under the body curve, on the back side of the "V", so it was very difficult to get to (I have lots of funky universal sizes for the sockets, but none of them fit under there). Clearance was a real issue. I took of the fuel pressure regulators (I think that's what they are) and pulled up the injector harness, and was finally able to come in from under and get my small flat crescent under to loosen the nut.
In the process of disconnecting the wires, one of the harness crumbled. This was the only one (all of the others came apart okay). I'll post a picture of it here shortly, as I can't figure out what it is for...(Alan, hope you are reading this thread?)
Also, Porken, you may be right on your observation - I never felt that this car had the zip of my 84, which is odd because of the bigger engine, more valves, etc in the current car. Can't wait to finish this project (hopefully next weekend with Brett's expert on hand guidance) and see how she runs. Pics to follow shortly...

linderpat

okay, here are 2 pics of that harness at the back of the engine that crumbled. It's a 3 prong item, shown right below the heater control valve in the photo (optical illusion - the HCV is actually back by the firewall). The second pic is a close up. So, anybody know what it's for? More importantly, how do you fix these crumbled things?