Removing And Installing
Version 1, Removing
-- Remove the engine cover. Refer to ENGINE COVER, REMOVING .
-- Remove the bolts -1- from the connector strip.
-- Push the connector -2- toward the ignition coil, open the retainer by hand and disconnect the connector.
-- Position the Ignition Coil Puller T40039 only on the topmost thick rib -arrow- and pull the ignition coils one after the other off the spark plugs.
Note the installed position of ignition coils with power output stages.
Be careful to not kink or damage the wiring.
-- Remove the spark plugs with Spark Plug Removal Tool VAS 3122B.
Version 1, Installing
-- Use the Spark Plug Removal Tool VAS 3122B to tighten the new ignition coils to specification.
-- Lubricate the ignition coils. Refer to IGNITION COIL, LUBRICATING .
-- Align all the ignition coils one after the other and insert them loosely into the spark plug shaft.
-- Press the ignition coils evenly onto the spark plugs by hand. Do not hit them.
-- Push the connector -arrows- toward the ignition coil at the same time until it locks.
-- Tighten the screw -1- on the connector strip to the tightening specification.
-- Install engine cover. Refer to ENGINE COVER, REMOVING .
| Tightening specification | Nm |
|---|---|
| Spark plugs in cylinder head | 30 |
| Connector strip bolts | 5 |
Version 2, Removing
-- Remove the engine cover. Refer to ENGINE COVER, REMOVING .
-- Remove the connector -1- for the Heated Oxygen Sensor -G39- from the bracket.
Ignore items -2 through 4-.
-- Unlock the connector -1 through 4- disconnect all connectors in -direction of arrow- from the ignition coils.
-- Remove the ignition coil bolts -arrows-.
-- Carefully remove ignition coils upward.
Note the installed position of ignition coils with power output stages.
Be careful to not kink or damage the wiring.
-- Remove the spark plugs with Spark Plug Removal Tool VAS 3122B.
Version 2, Installing
-- Use the Spark Plug Removal Tool VAS 3122B to tighten the new ignition coils to specification.
-- Lubricate the ignition coils. Refer to IGNITION COIL, LUBRICATING .
-- Align all the ignition coils one after the other and insert them loosely into the spark plug shaft.
-- Press the ignition coils evenly onto the spark plugs by hand. Do not hit them.
-- Tighten the ignition coil bolts to specification.
-- Connect the connector at the same time.
-- Install engine cover. Refer to ENGINE COVER, REMOVING .
| Tightening specification | Nm |
|---|---|
| Spark plugs in cylinder head | 30 |
| Ignition coil bolt | 10 |