DT.4490-2 Auxiliary Belt Tensioner Retaining Pin
The auxiliary drive belt is tensioned by a tension roller and large spring.
To release the auxiliary belt tension the tensioner is retracted from the belt and is retained in the retracted position
with Pin DT.4490/2.
1.4, 1.6, 1.8, 2.0 and 2.2 16v.
EcoTec Twin Cam Engines
Timing Belt Applications
- Refer to Application Chart for details of models
DT.3032-12 (Yellow) and DT.3032-17 (Blue) Camshaft Locking Tools
These tools are colour-coded for model use identifi cation. They are inserted between the two camshaft sprockets,
locating fi rmly into the gear teeth of the sprockets. This locks the sprockets in position and prevents them from
rotating out of their timed position, when the timing belt is removed.
NOTE: Before MY1999 the 1.8 16v. EcoTec engine was based on the 2.0 16v.
and uses DT.3032-12 Locking Tool. From MY1999 the 1.8 16v. is based on the 1.6 16v.
and uses DT.3032-17 Locking Tool.
It is essential to ensure the camshaft timing marks align before inserting a locking tool.
Opel cam timing marks vary in position according to the model of engine. For example, they can be at the top of the
sprockets aligned to the belt cover (3A), or aligned with the upper edge of the cylinder head (3B).
Flywheel Hold – Crankshaft Pulley Removal
DT.4353 Flywheel Holding Tool
On the 1.4,1.6 and later 1.8 twin cam engines with Aluminium Sump Pans, timing belt replacement requires
the removal of the crankshaft pulley using DT.4353 Flywheel Holding Tool
DT.3032-20 Auxiliary Belt Tensioner Locking Pin
To remove the auxiliary belt from certain EcoTec 16v. engines the belt tensioner must be moved away
from belt and retained back by inserting DT.3032-20 Locking Pin through the hole in the tensioner and into
the mounting bracket.
Section 3:
OPEL - VEHICLE MANUFACTURER'S TOOL CROSS REFERENCE
This cross reference provides the Opel Specialised Service Tool number
and the "DT." Tool covering the relevant service application
Opel Ref
KM-517B
KM-571B
KM-661-1
KM-851
KM-852
KM-853
KM-911
DT. Ref
Opel Ref
DT.4150
KM-927
DT.3054-10
KM-929
DT.4130
KM-932
DT.4149
KM-933
DT.3032-17
KM-951
DT.3032-12
KM-952
DT.4353
KM-953
DT. Ref
Opel Ref
DT.4483
KM-954
DT.4482
KM-955
DT.4481
DT.4484
KM-6011
DT.4298
KM-6130
DT.4487
KM-8070
DT.4486
DT. Ref
DT.4488
DT.4489 +
DT.4490-2
DT.3054-14
DT.3032-20
DT.3340