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Renewing valve stem oil seals - Audi MB/1B/MC-2 engines
- Remove camshaft and bucket tappets
- Remove spark plugs
- Install frame 2036 and adjust to height of studs
- Turn target cylinder to BDC
- Fit air line adapter VAG 653/3 into spark plug hole and apply 6 bar minimum pressure
- Remove valve springs with lever VAG 541/1
- Tight cotters can be removed by tapping lightly on VAG 541/1
- Place the valve stem oil seal pliers (VAG 3047A, FACOM DM10-A) firmly on the valve stem oil seal and squeeze hard
- Release the pliers, rotate them 60°, and repeat twice
- The valve stem oil seals should now lift off. If considerable effort is required, consider binding the jaws of the pliers in gaffer tape to prevent damage to the bucket tappet recess
- Fit plastic sleeve -A- (two are provided with each pack of seals) over the cotter recesses on the valve stem
- Lightly oil the valve stem oil seal -B-
- Press the seal into place using VAG 10-204 or an appropriately-sized deep socket.
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