TDC location for piston #1 (Taurus 1 and 2)

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1. To bring any piston to TDC, the crankshaft should be turned in one of the ways indicated below.

When looking at the engine from the front, the normal movement of the crankshaft is clockwise.

Warning: Before starting work, place the transmission in neutral and turn off the ignition system - to do this, remove the ignition coil wire from the distributor cap and ground it.


a) The preferred method of turning the crankshaft is with a large socket head and a ratchet attached to a large bolt screwed into the crankshaft.

b) You can also use an additional starter switch, this will save time. Connect the wires to the starter coil, leading to terminals S 9 (switch) and B (battery). When the piston comes close to the TDC position, use the handle and socket head as described above.

c) If your assistant is able to switch the ignition on in intermittent mode, the piston will approach TDC without using an additional starter switch. To complete the procedure, use a socket wrench as described in subparagraph a).

2. Locate the #1 spark plug wire terminal in the distributor cap, then mark the base of the distributor either underneath the terminal or opposite the terminal.

3. Remove the distributor cap as described in chapter 1.

4. Turn the crankshaft (see paragraph 1 above) until the ignition timing angle indicating TDC (usually zero or T) is aligned with the pointer (see figure).

4. Turn the crankshaft (see paragraph 1 above) until the ignition timing angle indicating TDC…


5. At this point the rotor will point to the mark you made earlier. If it is turned 180 degrees, then the piston is at TDC in the exhaust stroke.



6. If the cylinder was in the exhaust stroke, turn the crankshaft clockwise one full revolution (360 degrees). Then the rotor will point exactly to the mark. If the rotor points to the terminal of the #1 spark plug wire located on the distributor cap (it is marked with a mark on the distributor housing or engine) and the ignition timing coincides with it, this means that piston #1 is at TDC in the compression stroke.

7. After piston No.1 is brought to TDC in the compression stroke, the remaining cylinders are fired by turning the crankshaft and following the firing order (see figure).

7. After piston No.1 is brought to TDC in the compression stroke, the remaining cylinders are fired…


(The text was obtained in its entirety from the specified website: Fordbook.ru)






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