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with great difficulty. i hate vauxhalls.
HEADLAMP UNIT REMOVAL (1) Disconnect and isolate the battery negative cable. (2) Remove the push pins attaching the seal to the fender. (3) Remove the bolts attaching the headlamp unit to the fender (Fig. 10). (4) Remove the bulb sockets from the headlamp unit (5) Separate headlamp unit from vehicle. provided with the tool for proper procedures.
Is it a Beetle ? if it is a beetle open the hood . locate headlamp. Next to headlamp unit undr hood is a hook or half hook shaped ring . unlock the tab under the hook and push hook downwards to release the headlamp unit . once removed unplug unit . remove back cover on headlamp. replace defective bulb . to reinstall headlamp line up ythe rails on the headlamp unit aNd push headlamp back into housing . make sure locking ring is engaged fully .
For each headlamp, Remove the two 15mm Bolts that have a six pointed star in the middle of the head. The glass headlamp will then slide forward and you can reach behind and remove the lamp unit.
After 2 days of screwing with mine here is what I found: Open the hood There are 2 clips on top of the headlamp unit. Lift them. Pull the headlamp unit away from the vehicle. In back of the head lamp you will see a small round cover. Remove that cover and you should have access to the bulbs. Disconnect the wiring harness from the bulb. Remove the headlamp bulb by turning the socket counter clockwise. Install the replacement bulb by turning it clockwise. Re-assemble the headlamp.
first remove indicator lens ,screw on inside of wing.Then remove screw at side of removed lens both upper bolts and then remove nut from underneath headlight.
The headlamp unit on an Astra van is changed by removing the wiring harness, unbolting the assembly, and lifting it from the vehicle. A new unit can then be put into place and bolted in.
There is an adjusting screw located inside a hole on top of the headlamp unit which means you get to it by opening the hood.
Your best bet is to remove center grill 1st. Then, access to the headlamp is much easier. You might also have to remove trim piece unde headlamp but, it simply pops in. Also, on those headlights, there is a center reflector piece inside the lamp itself. This is what the bulb goes in. Unfortunately, it is common in these cars that this piece becomes detached from the headlamp unit and floats around inside there...causing your beam to be up or down.
are you talking about the whole unit? if so, you have to remove the front bumper, it's easier than it sounds. hope this helps
undo the plastic screws on the grill and slide it out. There are two clips to pull out either side of the headlamp. Disconnect the wires at the back of the headlamp then pull the whole unit out. It is easy and takes about 10 minutes to replace
There are 2 screws on top and 1 below the headlamp. The top ones are easy. To get at the bottom one you will need to remove the wheel arch lining and this is done by removing 3 or 4 screws. Hold back the lining and by lying on the ground you will see the lower screw quite easily. Theres a wee bit of juggling to do to get the headlamp unit out but I've just done it so it can be done.