VW has never used roller rockers per say. The engine in question uses pucks (shims) of different sizes available through the dealer or VW specialist shop. This is measure while the engine is hot (metal expansion) with a feeler gauge between the cam lobe at top dead center of each valve and the shim. I believe the gap is .040 for the intake and .033 for the exhaust. Tools needed are valve compression tool for VW's, shim pliers to pull the shims out while valve are compressed (I said valves because both intake and exhaust are depressed the same time using the tool), feeler gauge, a 17mm or 19mm closed end wrench to turn the cam sprocket. Removing plugs helps alleviate compression from the pistons and easily turns.
SOURCE: Idling speed vw golf petrol 1.4 2001
That sounds about right, the idle speed may not even be manually settable due to emissions regulations.
I know for sure you can't adjust the idle mixture anymore; that is determined by sensors and the on-board computer.
There may still be adjustments on some cars but they are often sealed with lead to avoid tinkering.
SOURCE: 95 VW Golf, Clutch cable tricks
look above the clutch cable the is a rubber boot, abot 8-10 inches long. If u notice on either end of this boot are rubber prongs, or ears or whatever u wanna call em. Compress the cable by hand trying to bring these rubber ears as close to each other as possible. Once this is done, use a wire and wrap the wire around both ears as this will prevent the cable from decompressing. Might have to compress it by the pedal itself, but should be able to do it by hand. When u wrap the wire, do it in a figure 8 fashion because u have to get all 4 rubber ears otherwise the cable will decompress on one side.
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