ONS and V6 engines up to 8/94
Withdrawal
Attention: At the factory, during assembly, the ignition distributor is set with an accuracy of half a degree. To indicate fine adjustment, after its completion, the distributor and the fastening bolt are sealed with sealant. Therefore, the ignition distributor should be removed and the ignition timing adjusted only if necessary.
Disconnect ground wire (-) battery.
Caution: Disconnecting the battery will erase the contents of the electronic memories, such as engine trouble codes or radio codes. Before switching off, also read the instructions in chapter "Removing and installing the battery".
ONS engine: follow the high voltage wire from cylinder 1 to the ignition distributor. In the place where the high voltage wire is inserted into the distributor, make a mark with a felt-tip pen or marker.
Unscrew the fixing screws or, respectively, use a screwdriver to press the 2 spring clips of the distributor cover to the sides. Remove the cover together with high voltage wires and set aside so that it does not interfere with further disassembly.
If equipped, disconnect the vacuum hose from the ignition distributor.
Disconnect the multi-pin connector at the distributor by pressing in the wire clamp -arrow-.
Attention: When doing this, pull on the plug, not on the wire.
Turn the engine crankshaft to the position corresponding to the TDC of the combustion process for the piston of cylinder 1. To do this, shift the gearbox into neutral gear, apply the handbrake and turn the crankshaft in the direction of rotation -arrow- at the central bolt of the belt pulley -B- until the mark on the belt pulley does not match the alignment mark -A- on the crankcase.
ONS engine: at the same time, the center of the distributor rotor at the height of the housing edge must match the marked mark at the location of the high voltage wire for cylinder 1. If this is not the case, the crankshaft must be turned in its direction of rotation for another full turn (360°).
Engines with a displacement of 2.4 and 2.9 liters: at the same time, the center of the distributor rotor must coincide with the mark -C- for cylinder 1. If this is not the case, the crankshaft must be turned in its direction of rotation for another full turn (360°).
Engine with a displacement of 2.8 liters: at the same time, the center of the distributor rotor must coincide with the mark -A- for cylinder 1. If this is not the case, the crankshaft must be turned in its direction of rotation for another full turn (360°).
Scrape off the sealing pack from the distributor mounting bolt.
Using a felt-tip pen or marker, draw a through mark along the base of the ignition distributor and crankcase.
Loosen clamping bracket bolt.
Remove the clamping bracket and pull out the ignition distributor.
Installation
Check if the crankshaft is in the TDC position of the combustion process for the piston of cylinder 1.
ONS engine: Turn the distributor shaft so that the center of the distributor rotor is opposite the notch closest to the plug connector -arrow-.
Engines with a working volume of 2.4 and 2.9 liters: turn the ignition distributor shaft so that the center of the distributor rotor is in the middle between the two marks.
Engine with a displacement of 2.8 l: turn the distributor shaft so that the rotor -B- of the distributor is, as shown in the figure, opposite the Hall sender -A-.
Install the distributor like this. so that the marks applied before removal on the base of the distributor and crankcase coincide.
Insert the ignition distributor into the crankcase by turning the rotor slightly. After the distributor has completely entered the opening of the crankcase, check whether the marks made on the base of the distributor and the crankcase still match. At the same time, the center of the distributor rotor must match the marked mark at the installation location of the high voltage wire for cylinder 1.
If this is not the case, the ignition distributor can be turned a few degrees (approx.±5°). If this is still not enough, the ignition distributor must be removed and inserted again.
Attach the clamping bracket and tighten the mounting bolt.
Connect the multi-pin connector of the ignition distributor.
Attention: the wire clamp must fix the connector.
If the high voltage wires were removed or a new ignition distributor was installed, then insert the high voltage wires, starting with the marked wire for cylinder 1, in accordance with the firing order of the cylinders. The order of operation of the cylinders for a 4-cylinder engine: 1-3-4-2; for 6-cylinder engine: 1-4-2-5-3-6.
If equipped, connect a vacuum hose to the ignition distributor.
Connect ground wire to battery (-).
If available, set the clock and enter the anti-theft code for the radio.
Check and adjust the ignition timing, see p. 50.
DOHC engine up to 8/94
Withdrawal
Disconnect ground wire (-) battery.
Caution: Disconnecting the battery will erase the contents of the electronic memories, such as engine trouble codes or radio codes. Before switching off, also read the instructions in chapter "Removing and installing the battery".
Disconnect the high voltage wires from the cover of the distributor, having previously marked them with adhesive tape so that they can be installed in their original places during assembly.
Loosen the lower clips -B- of the radio interference shield and unscrew the upper screws -A-.
Remove the slotted head screws securing the ignition distributor cover and remove the cover.
Remove the ignition distributor rotor.
Installation
Insert the distributor rotor into the distributor shaft and turn it so that the rotor locks into place.
Attach the cover of the ignition distributor and fasten it with slotted screws.
Put the RFI shield over the cover and screw it in or fasten it with clips.
Insert high voltage wires in accordance with the existing marks. The order of operation of the engine cylinders: 1-3-4-2.
Connect ground wire to battery (-).
If available, set the clock and enter the anti-theft code for the radio.
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