Volkswagen Golf Service & Repair Manual: Preparatory measures for calibration
| Extensive preliminary work is required before the actual
calibration can be carried out using → Vehicle
diagnostic tester. |
| Position vehicle on a firm and level surface. |
| Apply parking brake – the vehicle must not be moved while
the calibration procedure is being performed. |
| Make sure steering wheel is at centre position with wheels
pointing straight ahead. |
| Nobody may be inside vehicle during measurement. |
| Opening and closing the vehicle doors during calibration
must be avoided. |
| Special tools and workshop equipment
required |
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| Calibration unit -VAS 6350- |
| Vehicle diagnostic tester |
| – |
Connect vehicle diagnostic tester. |
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| – |
Attach 3 wheel bolt adapters (spanner size 17) to each wheel
centre mounting -VAS 6350/1- for the wheel securing bolts. |
| – |
Insert measuring paddles in both wheel centre mountings -VAS
6350/1-, and secure them with clamping nut. |
| – |
Fit wheel centre mountings -VAS 6350/1- onto wheel bolts on
both rear wheels. |
| The turning centre of the wheel centre mounting must be in
the turning centre of the wheel. |
 Note
| Fit wheel centre mountings -VAS 6350/1- onto the wheels so
that the “anti-theft wheel bolts” are not connected to the wheel
centre mountings. |
| – |
Adjust measuring paddles with the help of the clamping nuts
in such a way that they can move freely just above the floor. |
| The measuring paddles must not be restricted in movement. |
| The measuring paddles must be vertical. |
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| – |
Position calibration unit -VAS 6350- at distance
-a- to rear wheels. |
| Dimension -a - = 1700 ± 2 mm |
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| – |
Push ON button to switch on
spacing laser -VAS 6350/2-. |
| Indicated on display of -VAS 6350/2-: |
Note
| The laser is switched on at the same time. |
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| – |
-VAS 6350/2- Hold spacing laser -2-
for distance measurement flush with stop bracket as shown in
illustration. |
| When doing this, make sure that spacing laser -VAS 6350/2-
is firmly in contact with stop bracket. |
| – |
Ensure that the “laser beam” for distance measurement is at
the bottom enlarged part on the measuring paddle
-1-. |
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| If this is not the case, adjust height of measuring paddles
using lock nuts on wheel centre mountings -VAS 6350/1-. |
| – |
Now, briefly press ON button to
measure distance. |
| Indicated on display of -VAS 6350/2-: |
| “1.700 m” (specification: 1700 ± 2 mm). |
| – |
Repeat the measuring process from the left stop bracket to
the measuring paddle on the rear left wheel. |
| Measured distance value must be identical on both sides. |
| If both measured values are not identical, adjust
calibration unit -VAS 6350- accordingly. |
Note
| The vehicle shown in the illustration may differ from the
actual vehicle. |
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| – |
Attach calibration unit for lane change assist -VAS 6350/4-
on rear left on mounting of calibration unit -VAS 6350-. |
| If assembled correctly, the mains power lead should be
fitted to the bottom left of the calibration unit (as seen
facing direction of normal travel). |
| Dimension -a- = 606 mm
(measured from upper edge of calibration unit to workshop
floor). |
| – |
The dimension is set with the measuring point
-arrow- at the base of the
calibration unit on the scale of the steel rule
-1-. |
| Setting dimension left = 621 mm (read off on measuring scale
-1-). |
| – |
Connect the calibration unit for lane change assist -VAS
6350/4- to mains voltage. |
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| – |
Bring the calibration unit -VAS 6350- to the horizontal
position with the aid of the vial (sight glass)
-arrow- by turning the plastic
feet. |
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| – |
Wear laser safety goggles. |
Note
| The vehicle shown in the illustration may differ from the
actual vehicle. |
| – |
Switch on linear laser -VAS 6350/3- on calibration unit -VAS
6350-. |
| – |
Align the whole calibration unit -VAS 6350- so that the
laser beam is focused on the rear of the vehicle in the centre
above the VW badge. |
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| – |
Check the spacing on the left and right again between the
stop brackets of the calibration unit -VAS 6350- and the
measuring paddles -1- on the wheel
mountings. |
| Specification: 1700 ± 2 mm |
| Calibrating lane change assist control unit
→ Chapter. |
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Note
The vehicle shown in the illustration may differ from the actual
vehicle.
1 -
Volkswagen logo
Laser pointer aligned to cent ...
Note
Before the actual calibration process of the control units,
the calibration unit -VAS 6350- needs to be set up as described
in the following chapt ...
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Removing
–
Remove wheel housing liner
→ Chapter.
–
Disconnect connector -2- for switch
-3-.
– ...
Maximum permitted trailer weights
First read and observe the introductory information
and safety warnings All data in the official vehicle documents take precedence
over these data. All data in this manual apply to the basic German model. The vehicle
data sticker in the service schedule and the official vehicle documents sho ...
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Measurement location
Calibrating Blind Spot Monitor control unit -J1086-/-J1087-