ECS Tuning BMW S54 - Page 45

ECS TUNING 1000 SEVILLE RD. WADSWORTH, OH 44281 1.800.924.5172 WWW.ECSTUNING.COM
45
BMW S54 DUAL VANOS REBUILD
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Step 11:
Step 12:
Needle Nose Pliers
Guide the Teflon sealing ring into the groove as shown, then once it is
seated on top of the o-ring, use the end of the pliers to push the folded
part of the seal upward until it returns to its normal shape.
Use the rounded edge of the pliers to work the seal around its
circumference, helping it to seat fully on top of the o-ring.
Lubricate both ends of the intake piston with clean engine oil.
SECTION 3C: INTAKE PISTON SEAL REPLACEMENT