ECS Tuning BMW S54 - Page 83

ECS TUNING 1000 SEVILLE RD. WADSWORTH, OH 44281 1.800.924.5172 WWW.ECSTUNING.COM
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BMW S54 DUAL VANOS REBUILD
®
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Step 7:
Step 8:
Inspect the original upper timing chain guide, and compare it to the new
one. It is common for the ends to crack or break, if yours is broken, make
sure you find and remove the broken piece.
Clean the timing chain guide bolt, remove the old sealing ring and install
the new one.
New Sealing Ring
Commonly broken
end
Lower the new Upper timing chain guide into place and install the guide
bolt. Torque the bolt to 24 Nm (18 Ft-lbs).
10mm Hex Bit (Allen) Socket, Torque Wrench
SECTION 4D: UPPER TIMING CHAIN GUIDE REPLACEMENT