The Toyota 1978 20R Emission Control Repair Manual, pub 98268 is still available from Toyota parts, is about $12 and covers all versions of 1978 20R engine emission controls and vacuum lines. You have to have your dealer order it by part number.
need vacuum diagrams(engine)for 1978 cadillac deville
Hello There are several diagrams showing this in chapter 2 of the 1978 Airstream Service Manual. Quality reprints can be ordered from airstreammanuals.ecrater.com Roy
Try looking under the hood for the vacuum hose decal or try a junk yard the decal might be under another hood.
You should check autozone.com. Click on Repair info, then Vehicle Repair Guide , then you can select your vehicle type, "driveability & emission controls", then vacuum diagrams. There are some 8 cylinder ones listed.
vacuum diagram for 1978 cordoba
Public Library/ They will have computer access to Chilton manuals. Get a library card. You can print the diagram for .25
http://www.tbirdhelp.com/diagrams/diagrams.html At the bottom of page, just choose between a digram without the auto-temp control or the one with auto-temp control.
Toyota Tercel was created in 1978.
go to autozone.com and put in your car and go to repair guides and then to emision controles and they have some diagrams they are a little hard to read and make any sence out of but maybe you can find out what you need
Montenegro Lines was created in 1978.
The Toyota Supra was on the market from 1978 through 2002.
yes