Viper RT-10 V10-8.0L VIN E (1997)
Valve Guide Seal: Service and Repair
Cylinder Head On
1. Perform fuel system pressure release procedure before attempting any repairs. Refer to Powertrain Management.
2. Disconnect negative battery cable.
3. Remove secondary ignition wires, spark plugs and engine valve covers.
4. Remove connector wire from ignition coils.
5. Using suitable socket and handle at crankshaft pulley retaining screw, turn engine so the number 1 piston is at Top Dead Center (TDC) on the
compression stroke.
6. Remove rocker arms with pivots. The rocker arms should not be disturbed and left on pivots.
7. With air hose attached to spark plug adapter installed in number 1 spark plug hole, apply air pressure 620.5 - 689 kPa (90 - 100 psi). This is to
hold valves into place while servicing components.
8. Using a suitable tool compress valve spring and remove retainer valve locks and valve spring.
9. The intake and exhaust valve stem seals should be pushed firmly and squarely over the valve guide using the valve stem as guide. Push seal against
top of guide. When installing the valve retainer locks, compress the spring only enough to install the locks.
CAUTION: Do not pinch seal between retainer and top of valve guide.
10. Follow the same procedure on the remaining 9 cylinders. Make sure piston in cylinder is at TDC on the valve spring that is being removed.
11. Remove spark plug adapter tool.
12. Install rocker arm and pedestal assemblies and tighten screws to 40 Nm (30 ft. lbs.).
13. Install engine valve covers tighten screws in sequence shown in the illustration to 11 Nm (95 inch lbs.).
14. Install spark plugs and secondary ignition wires.
