TU3A Citroen TU3A

Атмосферний 4-циліндровий двигун, відомий своєю простотою та надійністю.

Brand: Citroen Type: Petrol Configuration: Inline-4 Production Years: 1996 - 2005 Production: Aulnay-sous-Bois, France
34 Brand engines
2 Modifications

Technical Specifications

Engine Displacement 1.4 L (1,400 cc)
Configuration Inline-4
Number of Cylinders 4
Valves per Cylinder 2
Power 75 - 90 л.с.
Torque 120 - 130 Н*м
Cylinder Bore 75.00 mm
Piston Stroke 77.00 mm
Compression Ratio 10.0:1
Firing Order 1-3-4-2
Fuel System Multi-point Fuel Injection
Aspiration Naturally Aspirated
Turbocharger null
Intercooler No
Maximum RPM 6,000 rpm
Max Torque RPM 3,000 rpm
Valve Train SOHC
Timing Drive Belt
Timing belt replacement interval 60,000 km
Block Material Cast Iron
Head Material Aluminum
Engine Weight 120 kg
Dimensions (L×W×H) 600 × 500 × 600 mm
Lubrication System Wet sump
Cooling System Liquid cooling

Additional Information

Engine Family TU family
Manufacturing Plant Aulnay-sous-Bois, France
Predecessor TU3M
Successor null

Maintenance

Engine Oil Capacity 3.5 L (with filter: 4 L)
Recommended Viscosity 10W-40
Oil Standard ACEA A3/B3
Recommended Brands Total Quartz, Elf Evolution, Castrol GTX
Oil Change Interval 10 000 km or 12 mo
Oil Filter 1109E1
Air Filter 1444E1
Replace every 30 000 km
Fuel filter 1920E1
Cabin Filter null
Spark Plugs Type: Copper
Part number: 1225E1
Gap: 0.8 mm
Quantity: 4 pcs
Replace every 30 000 km
Coolant Capacity 6 L
Coolant Type G12 (Total Antifreeze)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 90°C
Operating Temperature 90°C
Max Operating Temperature 110°C
Critical Temperature 120°C
Annual Maintenance Cost 300-500 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 200 000 km

Common problems

Problem Severity Mileage Repair cost
Head gasket failure Medium 100000-150000 km $500-800
Timing belt wear Low 60000-100000 km $200-300

Known defects

  • Oil leaks from the valve cover
  • Weak ignition coils

Warranty extensions

  • null

Tuning potential

Tuning potential: Medium | Max. safe power: 140 hp

Stage Power Torque Method Cost
Stage 1 100 hp 140 Nm ECU remap
Reliability impact: Minimal 		$300
Stage 2 110 hp 150 Nm -
Required: Cold air intake, ECU remap
Reliability impact: Low 		$800
Stage 3 130 hp 170 Nm -
Required: Turbocharger kit, ECU remap
Reliability impact: Medium 		$2500

Popular modifications

  • ECU remap
  • Performance exhaust
  • Cold air intake

Tuning limitations

  • Limited by stock internals
  • Turbocharging requires significant modifications

Cars with the TU3A engine

This engine was fitted to 2 models

Photo Brand Model Generation Production years
No photo
 Citroen Saxo Saxo 1996 - 2004
No photo
 Peugeot 106 106 (S0) 1991 - 2004

All modifications (2)

Vehicle Generation Modification Power Gearbox Drive
Citroen Saxo Saxo 1.4i 75 л.с. 5-МКП 2WD 75 hp 5-МКП 2WD
Peugeot 106 106 (S0) 1.4 75 л.с. 5-МКП 2WD 75 hp 5-МКП 2WD

Interesting Facts

  • The TU3A engine is known for its reliability and fuel efficiency.
  • It was widely used in small cars across the PSA group.

Applications

Total produced: null

Vehicle Generation Years Power Markets
Citroen Saxo A 1996-2003 75hp/90hp Europe
Peugeot 106 I 1996-2004 75hp/90hp Europe

Compatible transmissions: 5-speed Manual, 4-speed Automatic

Drive types: FWD

Fuel Economy

Fuel Type Petrol 95
Octane Rating Minimum: 95 | Recommended: 98
Consumption (City) 8.5 L/100km
Consumption (Highway) 5.5 L/100km
Consumption (Combined) 6.8 L/100km
Real Consumption 7.5 L/100km
Fuel Tank Capacity 50 L
Range 735 km
Cost per 100 km 8-12 USD

Emissions Standards

Emission Standard Euro 3
CO₂ Emissions 150 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Awards and Recognition

  • null ()

Comparison with competitors

Engine Brand Displacement Power Torque
KFW Volkswagen 1,390 cc 75 hp 112 Nm

Pros

  • Good fuel economy
  • Lightweight design

Cons

  • Limited power output
  • Timing belt maintenance required