The exhaust manifold on a Toyota Motor lorry has distinct studs that dominion the manifold to the engine block. Removing the studs tends to be a bit tricky since of how they are threaded and tightened into the engine block. The fixed heating and cooling cycle compounds the enigma when you require to completely remove and interchange the manifold. Happily, there is a formation to removing these studs.
Instructions
1. Spray the penetrating oil on the exhaust manifold studs. On account of by this speck you've already removed the manifold, the studs should be exposed on the front of the engine block. Construct persuaded that you soak them in the penetrating oil as this Testament assist loosen up any corrosion, fusion, or seizing captivating area between the threads on the engine block and the threads on the bolt.
2. Country the box extremity wrench over the location of the stud so that the wrench angles outside from the engine.
3. Thread one of the 14mm nuts onto the stud backward with the mounting glowing facing outside from the engine block.
4. Thread the other fan onto the stud so that the brilliance faces the engine block. The two aficionado flares should be facing Everyone other at this end.
5. Tighten the nuts so that they are forced against each other, leaving a hardly any threads of the stud exposed on the outboard devotee (the moment follower you threaded).
6. This is what you want. There are ridges on the mating surfaces of both nuts that will "lock" together.9. Slide the socket wrench off the end of the outboard nut and turn the inboard nut counterclockwise with the box end wrench.
8. Ownership the inboard follower much with the box end wrench while you tighten the outboard nut with a socket wrench. The nuts will want to move in opposite directions. Orient the box bound wrench so that it fits over the mark of the inboard seed (the headmost follower you threaded).7. Slide the 14mm socket and socket wrench over the extreme of the outboard seed.
The nuts should begin to force the bolt out of the engine block due to the fact that both nuts are threaded in opposite directions. If the bolt doesn't seem to want to move, you may need more penetrating oil sprayed into the bolt where it meets the engine block.
10. Use the socket wrench to remove the bolt all the way once it finally breaks free from the block.
