Porsche 924 Factory Workshop Manual Set, 1976–1982

Repair-group references connect work across the four volumes. For repair planning, configuration-specific instructions identify which clutch, transaxle, and related procedures match the installed equipment.

Engine repair coverage centers on the naturally aspirated 924. Turbo references concern selected shared chassis, body, and electrical systems. Porsche directs broader descriptions of system design and function to separate service-training material.

Four Workshop Volumes in One Printable PDF

Search, bookmarks, and diagram detail: PDF text search is unavailable. Four embedded bookmarks open the volume beginnings; printed repair-group, alphabetical, and register indexes support further lookup. Small wiring labels require zooming, and several current-flow diagrams span consecutive pages.

The RAR download contains one printable English-language PDF totaling 1,113 pages. The volume counts above include all four cover pages and the repeated contents and index pages.

Engine Overhaul, Transaxle Service, and Body Repair

These are selected workshop topics, rather than a complete contents list. Other examples include automatic-antenna mast service and headlight-cleaner installation.

• Engine repair: Step-by-step engine removal and installation, crankshaft and piston inspection, cylinder-head work, valve-train service, and lubrication-system testing.

• CIS fuel diagnosis: Cold- and warm-start troubleshooting, fuel-delivery checks, control- and system-pressure testing, idle/CO adjustment, and oxygen-sensor control checks.

• Manual transmission repair: Configuration-specific clutch service, gearbox disassembly, shift-linkage adjustment, shaft inspection, synchronizer checks, and differential setup.

• Automatic transmission service: Torque-converter inspection, clutch and valve-body repair, hydraulic-pressure tests, operating checks, and symptom-based troubleshooting.

• Chassis and brakes: Suspension inspection, strut and wheel-bearing service, brake-caliper repair, booster checks, hydraulic bleeding, steering work, and alignment data.

• Structural body repair: Front and rear body-section repairs, galvanized-sheet-metal welding, Celette fixture information, and body measurement references.

• Electrical fault tracing: Current-flow diagrams, ground-point views, relay/fuse references, ignition tests, and wiring information for lighting, instruments, and accessories.

Porsche wrote these volumes for shop foremen and mechanics; the procedures assume workshop measuring equipment and special tools.

Engine Teardown and Cylinder-Head Work

Bottom end: Procedures cover crankcase and crankshaft disassembly, main- and connecting-rod-bearing clearance checks, crankshaft dimensions and end play, piston and cylinder-bore inspection, piston rings, and connecting rods. Oil-pump service, flywheel and starter ring-gear work, and flywheel needle-bearing replacement are also documented.

Cylinder head: Coverage includes removal and machining, camshaft inspection and replacement, drive-belt installation, tappet identification, and valve-clearance adjustment. Valve guides, seats, springs, and stem seals receive separate treatment, including a distinct cylinder-head installation procedure from the 1980 model.

Engine-removal cautions address possible propeller-shaft, clutch, and body damage, while the valve-stem-seal instructions explain how omitting the protective sleeve can damage seals and increase oil consumption. The valve-clearance section also warns about drive-belt stretching when the camshaft is turned by its sprocket mounting bolt.

Oil-pressure and pressure-switch tests accompany component-specific torque references, tolerances, and wear limits.

CIS Fuel Injection and Ignition Diagnosis

Fuel-system procedures cover pump delivery and electrical checks, mixture-control-unit disassembly and basic adjustment, warm-up and auxiliary-air regulators, and cold- and hot-start valves. Pressure tests and the CIS troubleshooting chart relate starting, idle, and running symptoms to possible causes.

Oxygen-sensor control: Later sections add frequency-valve checks, throttle-microswitch adjustment, and separate idle/CO procedures. From 1981, ignition coverage identifies the Hall transmitter and electronic idle stabilizer replacing the earlier induction-transmitter arrangement, with dedicated component tests and advance/retard curves.

Cooling and Emission-Control Checks

Cooling-system work includes radiator removal, thermostat and radiator-cap tests, coolant-pump-related component service, filling and bleeding, and fan thermo-switch checks.

Exhaust and emissions material covers exhaust-system components, catalytic-converter operation checks, exhaust-gas recirculation, air injection, and associated test conditions.

Clutches, Gearboxes, and Automatic Transmissions

Manual transaxles: Separate 088/A, 016 Y, and 016/9 instructions cover clutch adjustment and removal, pressure-plate checks, release-bearing and release-lever repair, and internal gearbox work. Input shafts, drive pinions, synchromesh rings, synchronization assemblies, and differential adjustments are treated by transmission version, including 1980 and later 016/9 distinctions.

Automatic transmission: The cutaway drawing accompanies converter inspection, selector and throttle/control-pressure cable adjustment, operating checks, and troubleshooting. Internal procedures extend to clutches, the oil pump, valve-body assemblies, and final-drive setup; later valve-body sections distinguish revised brake-apply and regulated-shift arrangements.

The indexed 1979-on throttle/control-pressure cable service procedures are not included in this PDF.

Suspension, Brakes, and Steering

Suspension sections cover installed ball-joint and control-arm checks, spring-strut disassembly, wheel bearings, axle shafts, trailing arms, and rear-suspension differences around the 1978 model change. Wheel balancing and axle-alignment specifications accompany the component procedures.

Brake coverage includes front and rear assemblies, parking-brake adjustment, caliper repair, booster checks, bleeding, and fluid replacement. Pushrod instructions distinguish the 7-inch booster through 1979 from the 9-inch version from 1980; stop-light-switch checks are separately identified from 1981. Steering-column and steering-gear procedures are included.

Please remember that working on classic cars involves inherent physical risks; always verify proper lifting points and use secure jack stands before referencing this guide for heavy undercarriage or engine work.

Body Measurements and Restoration Work

Body repair references include Celette straightening-bench data, the Cobra 3 straightener, floor-assembly dimensions, and repair-control dimensions. Galvanized-sheet-metal instructions accompany front and rear structural repairs.

Fixture information identifies universal anchorage ENS 937.900, alignment and welding gauges 9112/9175, and windshield template 9120. Chassis-number changes distinguish revised rear-body, window-control, roof-panel, and bumper details.

Heating and Original Air Conditioning

Heating coverage includes heater removal, flap-box work, and fresh-air/heating controls. Air-conditioning material covers system and vacuum-hose layouts, compressor, condenser and evaporator work, leak detection, compressor-oil checks, expansion-valve-related diagnosis, and troubleshooting for insufficient, intermittent, or no cooling.

1979 A/C limitation: The specification sheet is included, but the indexed service sequence between printed pages 87-38 and 87-63 is missing. The file also contains a separate service-installation section and original R-12 specifications.

Wiring, Instruments, and Accessories

Electrical material includes starter and charging circuits, voltage-regulator tests, the central relay/fuse plate, CIS harness service, instruments, wipers, exterior and interior lighting, and connector-removal tools.

Visual references include Current Flow Diagrams, Ground Points on Car, Wiring Diagram Symbols and Explanations, and the Extra Wiring Diagram for Air Conditioner. USA current-flow sheets distinguish 1980, 1981, and 1982 arrangements, with shared 924/Turbo sheets identified individually.

Examples of Valve-Clearance and Camshaft Limits

Warm valve clearances: For the naturally aspirated 924 engine, the valve-train section specifies 0.20 mm intake and 0.45 mm exhaust clearance at an oil temperature of about 80°C.

Camshaft inspection: The tolerance table lists end play of 0.05–0.16 mm when new, with a wear limit of 0.2 mm.