Ford CSG-649 — Camshaft Lobe Lift Check
Testing & diagnosis
For the Ford CSG-649, from the Ford service manual.
Applies to: Ford CSG-649
Procedure
- Remove air cleaner, vent hoses, and valve rocker arm cover.
- Remove rocker arm stud nut, fulcrum seat, and rocker arm.
- Install dial indicator on push rod socket.
- Connect auxiliary starter switch; crank with ignition OFF.
- Zero indicator; rotate crankshaft until push rod fully raised.
- Compare total lift reading to specification.
- Reinstall rocker arm and adjust valve clearance.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Maximum allowable lobe lift loss 0.005 inch
Full service-parts list: Ford CSG-649 →
Source: Ford service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.