* A set of wrenches
* A set of sockets
* A ratchet
* A torque wrench
* A timing belt
* A timing belt tensioner
* A camshaft seal
* A crankshaft seal
* A water pump
* A thermostat
* A coolant hose
Instructions:
1. Remove the serpentine belt.
2. Remove the timing belt cover.
3. Align the timing marks on the crankshaft and camshaft sprockets.
4. Remove the timing belt tensioner.
5. Remove the timing belt.
6. Remove the camshaft seal and crankshaft seal.
7. Remove the water pump and thermostat.
8. Install the new water pump, thermostat, camshaft seal, and crankshaft seal.
9. Install the new timing belt.
10. Install the timing belt tensioner.
11. Install the timing belt cover.
12. Install the serpentine belt.
Once you have completed these steps, the timing on your 1991 Oldsmobile Cutlass Supreme 3.1 liter V6 will be repaired.
