Contents: Removal ↡ Installation ↡
Removal
1. Loosen the central bolt (19) and unscrew it, holding the crankshaft.
2. Bring the engine to the position 15° after TDC of the piston of the first cylinder.
3. Remove the chain tensioner using the key (156).
4. Disconnect the fuel supply lines.
5. Disconnect the vacuum pipes from the vacuum unit and vacuum valve. Disconnect the 2-pin connector from the electronic idle control actuator (Y22).
6. Disconnect the electrical wiring from the rack position sensor (L7) and from the actuator (Y22).
7. Disconnect the delivery tube from the ALDA unit.
8. Disconnect the accelerator rod, rack and springs.
9. Disconnect the vacuum check valve.
10. Unscrew the bolts (arrow). Remove the injection pump back, secure the fuel injection timing regulator in place.
11. Remove the fuel thermostat and unscrew the bolts.
12. Check the correct installation of the piston of the 1st cylinder in the position 15° after TDC.
13. Unscrew the plug (11).
14. Using the key (027), turn the injection pump shaft so that the distributor eye is visible in the hole and push in the locking bolt (023) until it stops.
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Installation
1. Remove the lock bolt (023) after installing the injection pump.
2. Install all removed components onto the engine.
3. Check the start of fuel injection and adjust it if necessary.
4. Install the vacuum valve and adjust it.