Skip to content
View in the app

A better way to browse. Learn more.

Ultimate Subaru Message Board

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

Ea81 spfi swap coolant lines

Featured Replies

In the middle of my swap, have a coolant line that ts off right by my water pump with a plastic valve or something in line that i cant figure where this connects, do i t it in with the little coolant line going from block to t_stat housing? Will try to get pics up, trying to take good ones as i go. Thanks for the help

Edited by superooo

The line you are describing with the thermo valve on it can be deleted/plugged. Best way to do it is to get rid of the metal pipe that had the barb for it. Replace it with some pipe tubing or run a new hose from the water pump to the heater core under the manifold. You can buy pieces of hose with the bend in them, if we are on the same page youll know exactly what Im talking about.

The line from the thermostat housing can be attached to the barb in the block which is fairly close to being under the housing with the manifold installed.

  • Author

Totally cleared it up for me, thanks, and the 3 lines that go to the charcoal canister on passenger side of the manifold jus go to the 3 metal canister leads on the driver side of my engine bay?

  • Author

Actually I just realized only two of them go there one comes under the manifold via a metal crossover pipe but they all plug into the vacuum canister correct

There are three lines that connect to the canisterp. Two from the engine and one from the tank. The lines going to the engine are very simple; from the purge solenoid to the control valve actuator, and from the intake manifold to the bottom of the valve on the cannister. IIRC they are different sizes so they cant be mixed up.

  • Author

Ok, and the 4th line on the canister? Or am i supposed to change to the ea82 canister

  • Author

Pretty much have the wiring figured, for a temporary fix ill be using ign and fuel pump relays to get this pig started (only i am allowed to call her that) in place of tthe bmw and Mitsubishi boxes, never wired a relay before though, and direction or advice would be immensely appreciated, i have 15 amp fuse lines for the 2 fuses, which leaves the fuseable link coming off of the ignition relay, does this connect to the factory fuseable link area or do i run it to the batt with a fuseable link in the middle? Or does it get something completely different

  • Author

And on the relays im adding, pointers on how to tell which wires go to which on the relay connector side

  • Author

It feels like I'm asking a lot of questions but I did the rest of it without asking any so I feel pretty good about that, and the first time she fires up I might cry, lol, just from being so proud

Edited by superooo

Use google to assist with the relays thats std info theres tons of diagrams out there. Either purge canister can be used pick the best looking one between the 2. The forth line (in your case) was for the bowl vent on the carb. It just needs plugged.

Please sign in to comment

You will be able to leave a comment after signing in

Sign In Now

Account

Navigation

Search

Search

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.