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  1. General Tech Q&A
    My son is working on a 1984 Celica Supra 5MGE. Getting close to the finish line, we hope. We are having a hard time identifying what this second nipple in the EFI manifold goes to. The top one is connecting to the brake booster but the nipple directly underneath is vacant. I haven't been able...
  2. Engine / Intake / Exhaust
    Hi everyone - This is regarding an '83 5MGE I finally located an EGR valve to replace mine that had a broken vacuum seal. I haven't been able to renew my CA registration because it failed smog and found out about the EGR. Today, I removed the old one and put on the new one and now I have a...
  3. General Tech Q&A
    I know it threads onto the side of the thermostat housing and has two vacuum lines connected to it. I am missing this piece and was wondering if fabricating is a viable option. Thanks, everyone!
  4. Mk1 Specific Discussion -1979-1981
    Winter has arrived and I have no heat! I’m in need for a diagram or picture or explanation of the heat/ac vacuum diagram for the hoses on the firewall on the exhaust side of the bay. I have two vacuum hoses coming out of my firewall that are not connected to anything, and I have a vacuum...
  5. Engine / Intake / Exhaust
    I just got this car a few months ago. It had been sitting for about 5 years or so with a half tank of gas in it. It originally only needed a freeze plug replaced under the upper intake manifold🤦‍♂️. I cleared out all of the fuel lines, emptied & cleaned the gas tank, and replaced the freeze...
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