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Engine Timing Tool Kit
Audi 2.9 & 3.0L Petrol
Part No. 8503
Instructions
www.lasertools.co.uk
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Introduction
Developed for the latest generation (EA839) Audi 2.9 & 3.0lt V6 TFSi petrol engines including
the mild hybrid versions. The Laser 8503 kit is designed to lock the camshafts in the method
approved by the manufacturer.
• Equivalent to OEM T40331, T40331/1, T40331/2, T40331/4, T40331/5, T40331/9, T90000,
T90001, T90002, T40314.
Components
A
B
A
D
C
Ref. Description COMP. OEM
Camshaft Locking Kit C1013 T40331
A
E24 Socket Camshaft
B
Adjuster Socket
Camshaft Adjuster
C
Holding Tool
Camshaft Adjuster
D
Holding Tool (Use With C)
Applications
Make, Model, Year Engine Code
Audi
A6 2018 to 2021
A8 2017 to 2021
Q8 2019 to 2021
S4 2017 to 2020
S5 2016 to 2020
SQ5 2017 to 2020
RS4 2017 to 2021
RS5 2017 to 2021
Always refer to the website for most up to date applications:
www.lasertools.co.uk/product/8503
2.9lt
DECA
3.0lt
DLZA
CZSA
CZSE
DCBD
CWGD
C1014 T90000
C1015 T90001
C1016 T90002
The following instructions are for guidance only. Please refer to OEM derived data such as
the vehicle manufacturers’ own data or Autodata.
The use of this engine timing tool kit is purely down to the user’s discretion and The Tool
Connection Ltd. cannot be held responsible for any damage caused whatsoever.
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Instructions
Preparation:
• Set engine to TDC on number 1 cylinder.
• The timing chains are mounted at the
back of the engine. To gain access the
transmission must first be removed.
• Remove the flywheel/torque drive plate.
• Align all engine timing marks including
balance shaft timing marks in accordance
with OEM manufacturer instructions.
Component Descriptions:
NOTE: Camshaft alignment tools are fitted
to the front of the engine. To ensure correct
identification of the component used on
the engine being worked on please refer to
OEM information.
Component A = Camshaft Locking Kit
• Assemble the camshaft timing tool
components as shown in figure 1. The
large plate marked “A” fits to the right
hand bank and the plate marked “B” is for
the left hand side.
• Fit the assembled camshaft locking tools
to the front of the engine as shown in
figure 1.
WARNING: do not use the camshaft
locking tools to loosen or tighten the
camshaft fixing bolts against.
Always use components (C) & (D).
Component B = E24 Socket Camshaft
Adjuster Socket
• Socket (B) is used to loosen and tighten
the camshaft control valves when
components (C) and (D) are in place.
• Note: replace the camshaft control valve
fixing bolts with new.
WARNING: do not use the camshaft
locking tools (a) to loosen or tighten the
camshaft fixing bolts against.
Always use components (C) & (D).
NOTE: For full procedure and
torque settings please see vehicle
manufacturer vehicle specific
instructions.
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Component C = Camshaft Adjuster Holding
Tool
Component D = Camshaft Adjuster Holding
Tool (Use With C)
• Use components (C) & (D) to lock the
camshafts while loosening or tightening
the camshaft adjuster fixing bolt as shown
in figure 2. Repeat for both banks.
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Safety Warnings - please read
• If the engine has been identified as an
Interference engine, damage to the engine
will occur if the timing belt has been
damaged. A compression check of all
the cylinders should be taken before the
cylinder head (s) are removed.
• Do not turn crankshaft or camshaft when
the timing belt/chain has been removed.
• To make turning the engine easier,
remove the spark plugs/glow plugs or
injectors.
• Observe all tightening torques.
• Do not turn the engine using the camshaft
or any other sprocket.
• Disconnect the battery earth lead (check
Radio code is available).
Our products are designed to be used correctly and with care for the purpose for which they
are intended. No liability is accepted by the Tool Connection for incorrect use of any of our
products, and the Tool Connection cannot be held responsible for any damage to personnel,
property or equipment when using the tools. Incorrect use will also invalidate the warranty.
If applicable, the applications database and any instructional information provided has been
designed to offer general guidance for a particular tool’s use and while all attention is given
to the accuracy of the data no project should be attempted without referring first to the
manufacturer’s technical documentation (workshop or instruction manual) or the use of a
recognised authority such as Autodata.
It is our policy to continually improve our products and thus we reserve the right to alter
specifications and components without prior notice. It is the responsibility of the user to
ensure the suitability of the tools and information prior to their use.
• Do not use cleaning fluids on belts,
sprockets or rollers.
• Some toothed timing belts are not
interchangeable. Check the replacement
belt has the correct tooth profile.
• Always mark the belt with the direction of
running before removal.
• Do not lever or force the belt onto its
sprockets.
• Do not use timing pins to lock the
engine when slackening or tightening the
crankshaft pulley bolts.
• ALWAYS REFER TO A REPUTABLE
MANUFACTURERS WORKSHOP
MANUAL.
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8503_Instructions_V1
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