Intake Camshaft Adjuster, Removing And Installing, Vehicles With Adjustable Exhaust Camshaft: Installing
- The camshafts are secured in the "TDC point".
- The camshaft sprockets are positioned to each other.
- The crankshaft is at "TDC point".
- The guide sleeve from the camshaft adjuster must be placed on the camshaft before installing.
-- Replace the bolts that were tightened with an additional turn.
-- Replace the O-ring for the plug if it is damaged.
-- Remove the camshaft adjuster.
-- Replace the bolts -1 and 2- for the camshaft adjuster and install them all the way.
- The camshaft sprockets must still turn on the camshafts and may not tip.
Risk of destroying the engine by adjusting the valve timing.
Do not turn the crankshaft out of TDC.
-- Position the toothed belt on the camshafts and adjust the valve timing. Refer to Installing .
Pre-Tightening Procedure
-- Hold the intake camshaft with the : T10554/1 and : T10172 in the position.
-- Tighten the bolt -1- in two steps to the pre-tightening specification.
-- A second technician is needed to counterhold.
| Step | Intake Camshaft Adjuster Bolt | Tightening Specification |
|---|---|---|
| 1 | -1- | 15 Nm |
| 2 | -1- | 50 Nm |
-- Hold the exhaust camshaft with the : T10554 and : T10172 in the position.
-- Tighten the bolt -1- in two steps to the pre-tightening specification.
| Step | Exhaust Camshaft Adjuster Bolt | Tightening Specification |
|---|---|---|
| 1 | -1- | 15 Nm |
| 2 | -1- | 50 Nm |
Final Tightening Procedure
-- Tighten the bolt -1- for the camshaft adjuster to the final tightening specification.
| Intake Camshaft Adjuster Bolt | Additional turn |
|---|---|
| -1- | 135° |
-- Tighten the bolt for the exhaust camshaft adjuster -1- to the final tightening specification.
| Exhaust Camshaft Adjuster Bolt | Additional Turn |
|---|---|
| -1- | 135° |
-- Hold the intake camshaft with the : T10554 and : T10172 in the position.
-- Install the plug -1- and tighten to the tightening specification.
| Camshaft Adjuster Plug | Tightening Specification |
|---|---|
| -1- | 20 Nm |
Assembling
Assembly is performed in reverse order.
Tightening Specifications
- Refer to OVERVIEW - TOOTHED BELT GUARD
- Refer to OVERVIEW - TOOTHED BELT
- Refer to OVERVIEW - CAMSHAFT HOUSING, VEHICLES WITH ADJUSTABLE EXHAUST CAMSHAFT
- Refer to OVERVIEW - CHARGE AIR SYSTEM
- Refer to OVERVIEW - AIR FILTER HOUSING
- Refer to Figure