Below is a listing of filters, fluids, fuses and their related part numbers for the 1981 L81 Corvette.
Filter Recommendations & Misc.
| Recommendations for filters | |
|---|---|
| Engine Oil Filter | AC Type PF25 |
| Engine Air Cleaner Element | AC Type A348C |
| Radiator Cap | AC Type RC-36 |
| Carburetor Fuel Filter | AC Type GF471 |
| PCV Valve | AC Type CV774C |
| Crankcase ventilation filter | AC Type FB59 |
| Oxygen sensor | AC Type AFS5P |
| Spark Plug | AC Type R-45TS |
| Battery | |
|---|---|
| Battery Rating | Heavy Duty F-18 |
| Cold Crank (-18 degrees C, 0 degrees F) | 460 Amps |
| 25 Amp Reserve Capacity Minutes | 115 |
Fluid Capacities
| Capacities | Metric Measure | U.S. measure |
|---|---|---|
| Gasoline Tank | 90L | 23.7 gal |
| Crankcase (approx.) oil change only | 3.8L | 4qts |
| Crankcase (approx) oil and filter change | 4.7L | 5qts |
| Cooling (approx.) w/Auto trans & AC add 1.05L (1qt) |
19.8L | 21qts |
| Thermostat | 90.6 degrees C | 195 degrees F |
| Radiator Pressure Cap | 105kPa | 15psi |
Fuse/Circuit Breaker Guide (from Owners Manual, Section 7-5)
| Circuit | Rating |
|---|---|
| Power Window Circuit breaker | 30 Amp |
| Backup Lamp & Turn Signals | 20 Amp |
| Heater / Air Conditioning | 25 Amp |
| Radio | 10 Amp |
| Electronic Control Module, Anti -Theft Alarm | 10 Amp |
| Rear Defogger, Circuit Breaker | 35 Amp |
| Instrument Lamps | 7.5 Amp |
| Tail Lamps ( Side Marker & Parking Lamps , License ) |
20 Amp |
| Clock, Lighter, Courtesy, Anti-Theft Alarm, Glove Box, Dome, Spare Tire Light, Horn | 20 Amp |
| Stop/Hazard Warning, Key Warning Buzzer | 20 Amp |
| Gages/Telltale Lamps, Seat Belt Buzzer Lamp and Relays ( Power Window relay) Cruise Control | 20 Amp |
| Auxiliary Fan | 30 Amp |
| Wipers / Washers | 25 Amp |
The wiring circuits in your 1981 Corvette are protected from short circuits by a combination of fuses, circuit breakers, and fusible thermal links in the wiring itself. This greatly reduces the hazard of electrically caused fires in the automobile. The fuse junction box is located under the left side of the instrument panel. The headlight wiring is protected by a circuit breaker in the light switch. An electrical overload will cause the lights to go on or off, or in some cases to remain off. If this happens, have your headlight wiring checked right away. Besides a fuse, the windshield wiper motor is also protected by a circuit breaker. If the motor overheats, due to overloading caused by heavysnow, etc...the wiper motor will remain stopped until the motor cools. Be sure to have the cause of the overloading corrected. Also, a circuit breaker, mounted on the fuse panel protects the power window circuit if the vehicle is so equipped. Do not use fuses of higher amperage rating than those recommended above. |
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