1979 Ford Mustang Tune-up Information
Maintenance Schedule
| Maintenance interval |
7,500
|
15,00
|
22,500
|
30,000
|
37,500
|
45,000
|
52,500
|
60,000
|
| Change engine oil & filter every 6 month or mileage |
x
|
x
|
x
|
x
|
x
|
x
|
x
|
x
|
| Replace spark plugs |
x
|
x
|
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| Change crankcase Emission filter |
x
|
x
|
||||||
| Inspect accessory drive belts |
x
|
x
|
||||||
| Replace PCV valve |
x
|
x
|
x
|
x
|
||||
| Change engine coolant at 6 months or at mileage |
x
|
x
|
||||||
| Replace air cleaner filter |
x
|
x
|
||||||
| Check belat, hoses & clamps |
x
|
x
|
||||||
| check exhaust heat shields |
x
|
x
|
||||||
| Lub steering and suspension |
x
|
x
|
x
|
x
|
||||
| Inspect breaking system |
x
|
x
|
||||||
| Inspect & replace front wheel bearings |
x
|
x
|
|
Tune-up Specifications
|
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| Engine | # cy |
Spark plug gap |
Distributor | Rotation | M/T Timing degrees |
A?T Timing degrees |
Firing order | Slow idle M/t |
Fast idle M/T |
Slow idle A/T |
Fast Idle A/T |
Fuel Pump pressure |
| 140 ci (2.3L) Exc. Turbo | 4 | .034 | Electronic ignition | CW | 6 | 20 | 1-3-4-2 | 850 | 1600 | 850 | 1900 | 5-7 |
| 140 ci (2.3L) Turbo | 4 | .034 | Electronic ignition | CW | 2 | – | 1-3-4-2 | 900 | 1800 | 900 | 5-7 | |
| 171 ci regular | v6 | .034 | Electronic ignition | CW | – | 9 | 1-4-2-5-3-6 | 1700 | 3-6 | |||
| 171 ci Calif. | v6 | .034 | Electronic ignition | CW | – | 6 | 1-4-2-5-3-6 | 1700 | 3-6 | |||
| 200 ci regular | 6 | .050 | Electronic ignition | CW | 8 | 10 | 1-5-3-6-2-4 | 700 | 1600 | 700 | 2150 | 5-7 |
| 200 ci Calif. | 6 | .050 | Electronic ignition | CW | – | 6 | 1-5-3-6-2-4 | 700 | 1600 | 700 | 1700 | 5-7 |
| 302 ci regular | 8 | .050 | Electronic ignition | CCW | ** | ** | 1-5-4-2-6-3-7-8 | 800 | 2100 | 625 | 2100 | 6-8 |
| 302 ci Calif. | 8 | .060 | Electronic ignition | CCW | ** | “” | 1-5-4-2-6-3-7-8 | 600 | ** | 6-8 | ||
** See decal in engine compartment
| Year | Engine | Spark Plugs | Distributor | Timingº | Intake Valve opens | Fuel pump press | Idle speed | |||||
| Cyl cid |
rotation | Type | Gap | Dwell | Gap | Man | A/T | Man | A/t | |||
| 1979 | 140ci -2.3L | CW | AWSF 42 | .034 | * | * | 6B | 20B | 5.0-7.0 | 850 | 850 | |
| 140ci – turbo | CW | AWSF 32 | .034 | * | * | 2B | NA | 6.5-7.5 | 900 | NA | ||
| 170ci – 2.8L | CW | AWSF 42 | .034 | * | * | NA | 9B | 3.5-5.8 | NA | 650 | ||
| 200ci- 3.8L | CW | BSF 82 | .050 | * | * | 10B | 10B | 5.5-6.5 | 700 | 550 | ||
| 302 | CCW | ASF 52 | .050 | * | * | 12B | 6B | 5.5-6.5 | 800 | 600 | ||
| 302 Calif | CCW | ASF 52 6 | .060 | * | * | 12B | 6B | 5.5-6.5 | 800 | 600 | ||
* Not applicable, solid state ignition
*** All timing marks on this chart are Before Top Dead Center (BTDC)
Always use the engine compartment sticker if it disagrees with this or any chart.
| Lubricant capacities | ||
| Engines – Quarts less oil filter | ||
| 4 Cyllinder | 1979 | 4 |
| 6 cylinder | 1979 | 4.5 |
| 8 cylinder | 1979 | 4 |
| Manual transmissions in pints | ||
| 3 speed | 1979 | |
| 4 speed | 1979 | 140 = 2.8, 170 = 4.5, 302=4.5 |
| Automatic transmissions, in quarts | ||
| C3 | 1979 | 16 pints |
| C4 | 1979 | 14 pints |
| Differential – Maintain to filler hole. | ||
| 6.75 “ | 1979 | 2.5 |
| 7.5″ | 1979 | 3.5 |
| Engine cooling system | ||
| 4 Cyllinder | 1979 | with heater 8.6, with A/C 10.0 |
| 6 cylinder | 1979 | with heater 9.2, with A/C 9.4 |
| 8 cylinder | 1979 | with heater 14.0, with A/C 14.6 |
| fuel tank capacity | ||
| 4 Cyllinder | 1979 | 11.5 gallons |
| 6 cylinder | 1979 | 12.5 gallons |
| 8 cylinder | 1979 | 12.5 gallons |
