E 420 (210.072) V8-4.2L (119.985) (1997)
A
Working chamber A
B
Working chamber B
Y49
Solenoid, adjustable camshaft timing
13
camshaft sprocket
14
Adjustment piston
14A
Spiral cone spring
16
Flanged hub
17
compression spring
18
Control piston
22
Camshaft
23
Oil return hole
Assembly note
The individual parts of the camshaft timing adjuster can be assembled together only in one specific, predetermined sequence.
The solenoid is sealed to the cover with a sealant.
4
Armature
6
Nut
12
Cover with ring insert
13
Camshaft sprocket
14
Adjustment piston
16
Flanged hub
18
Control piston
22
Intake camshaft
Timing chain tensioner
The hydraulic timing chain tensioner with compression spring tensions the timing chain via the tensioning rail. The chain tensioner cannot be
disassembled.