914 Tech Notebook
Click on thumbnail photos for larger images
I have collected these notes over the years and wanted to post them if they would help others.
Many of them I developed for myself as a maintenance or reassembly guide for my own 914s.
Some of these are not complete, and accuracy is believed correct, but not guaranteed.
Let me of know of any errors you find or missing info and I will make corrections.
A few of these were created by others and I have posted them here for reference,
but do not remember the author. If you know, tell me and I will give them credit.
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Item |
Description |
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GENERAL |
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914/4 Porsche Condition Assessment Form |
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914/4 Porsche Interchangeable and Substitute Parts |
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914/4 Porsche Quality Rating System |
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914/4 Porsche Required Maintenance and Lubrication Service |
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914/4 Porsche Required Maintenance - Emission Control System |
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914/4 Porsche Tightening Torques |
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914/4 Porsche Wheel Alignment Specifications |
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914/4 Porsche 2.0L See-Through Graphic |
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914 Porsche Cabin Air Forced Extraction |
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914 Porsche Engine Grille Letter Spacing |
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REFERENCE MANUALS |
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PET Parts Manual |
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Exploded View Parts Diagrams |
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Troubleshooting Guide for D-Jet Fuel Injection |
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Bosch VW-Porsche D-Jet Fuel Injection Manual |
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Volkswagenwerk AG D-Jet Fuel Injection Troubleshooting Guide |
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D-Jet Fuel Injection by Kjell Nelin |
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Harold Glenn T3/T4 Volkswagen Fuel Injection Manual |
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Bosch Volkswagen L-Jet Fuel Injection Manual
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Bosch D-Jet and L-Jet Fuel Injection |
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L-Jet Fuel Injection for 912E (also applies to 914 1.8L cars) |
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VPC Air Conditioning Installation Manual |
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DPD Air Conditioning Installation Manual |
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DPD Air Conditioning Owners Operating Instructions |
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DPD Air Conditioning Parts List |
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ENGINE |
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Engine Weight From 1971 Service and Training Manual |
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Oil Filter Torque From 1971 Service and Training Manual |
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Oil Consumption Rate Tolerance From 1971 Service and Training Manual |
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Air-cooling thermostat |
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Air-cooling flaps: Warm engine position (maximum airflow over oil cooler) |
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Air-cooling flaps: Cold engine position (minimum airflow over oil cooler) |
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Factory engine performance comparison |
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FUEL INJECTION |
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Altitude Compensator - L-Jet |
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Speed Limiter, 1975-76 2.0L (CA-only) From 1975 Service & Training Manual |
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D-Jet Electrical Test Values |
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Vacuum Hose, 1.7L, 1970-71 Courtesy of Marc-Andre- Morin |
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Vacuum Hose, 1.8L - Early 1974 |
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Vacuum Hose, 1.8L - Late 1974 thru 1975 Courtesy of Pete Klager |
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Vacuum Hose, 2.0L - 1973 thru early 1974 Courtesy of Dave Darling |
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Vacuum Hose, 2.0L - Late 1974 |
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Vacuum Hose, Decel Valve and AAR, 2.0L - 1973 thru 1976 From 1973 Service & Training Manual |
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Vacuum Hose, Crankcase Ventilation, 2.0L - 1973-74 From 1973 Service & Training Manual |
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Vacuum Hose, Crankcase Ventilation, 2.0L - 1973-74 From 1973 Service & Training Manual |
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Vacuum Hose, Fuel Evaporation Control System From 1973 Emission Control System Manual |
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Fuel Hose, 1.8L 1974-75 (Same as 1970-73 1.7L) Courtesy of Pete Klager |
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Fuel Hose, 2.0L 1973-76 |
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Fuel Hose, Fuel Pump 1970-74 |
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Fuel Hose, Fuel Pump 1975-76 Courtesy of Pete Klager |
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Fuel Injector Substitutes |
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Heat Exchanger ID |
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Muffler Hanger ID |
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914 Porsche Muffler ID by inlet dimension |
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TRANSAXLE |
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Transaxle Specifications |
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Shift Linkage Adjustment |
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ELECTRICAL |
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12-pin connector |
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14-pin connector |
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Center Console Gauges |
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Center Console Harness |
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Coil |
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Dash Gauges |
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Distributor |
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Front Turn Signals |
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1973 Fuse Index Courtesy of Steve Madsen |
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1974 Fuse Index |
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Ground Points |
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H4 Headlight Substitute |
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Lamp Index |
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Rear License Plate Lights |
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Regulator Plate |
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Regulator Plate Circuitry |
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Regulator Plate FI Harness Power |
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Relays - Main fuse panel |
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Relays - Seatbelt Interlock |
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Relays - Seatbelt Interlock Relay Bypass |
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Tailights |
