Patriot 4WD L4-2.4L VIN W (2007)
Valve Spring: Removal and Replacement
Removal
CYLINDER HEAD ON
1. Remove cylinder head cover.
2. Remove camshafts.
3. Mark valve tappet location for assembly.
4. Remove valve tappets.
5. Rotate crankshaft until piston is at TDC on compression.
6. With air hose attached to adapter tool installed in spark plug hole, apply 90-120 psi air pressure.
CAUTION: Care must be taken not to damage the tappet bore or engine damage may result.
7. Using metric valve keeper tool (1) such as Snap-on(R) GA317 (or equivalent), and remove valve spring keepers and retainer.
8. Remove valve spring(s).
9. Remove valve stem seal(s) by a using valve stem seal tool.
Installation
CYLINDER HEAD ON
CAUTION: Care must be taken not to damage the tappet bore or engine damage may result.
1. Install valve seal/valve spring seat (3) assembly. Push the assembly down with appropriate size socket to seat it onto the valve guide.
2. Install valve spring (2) and retainer (4) with keepers (1).
