Engine Service Bulletins

The downloads on this page are Willys Motors Service Bulletins, sent to Willys dealers in the early 1960's, relating to the F-head 134 engine. They come from the collection of Bruce Agan.

Cylinder Head Gasket Replacement

Bulletin No. 492; October 21, 1960

• Page 1 -- Remove, clean, and install gasket.
• Page 2 -- Fig.1 and Fig. 2. Install rocker arms.
• Page 3 -- Check torque.

Positive Crankcase Ventilation

Bulletin No.508; February 22, 1961

• Page 1 -- PCV now available as an option, soon to be standard.
• Page 2 -- Installation instructions.
• Page 3 -- Parts and installation llustration.

Valve Inspection and Repairs

Bulletin No. 541; October 13, 1961

• Page 1 -- Disassemble, clean and inspect all parts.
• Page 2 -- Reface valves, resurface valve seats, reassemble.

Thanks to Bruce Agan for offering to share these Bulletins. -- Derek Redmond

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