1.4-liter Peugeot TU3K or K1G engine is the ancestor of the extensive TU range. They collected it from 1986 to 1992 and put it on such popular company models as 205, 405. This power unit in a number of sources carries the TU3A index, which introduces some confusion.
TU family: TU1JP, TU3K, TU3JP, TU3A, TU5JP, TU5JP4.
Specifications
| Production years | 1986-1992 |
| Displacement, cc | 1360 |
| Fuel system | carburetor |
| Power output, hp | 65 – 70 |
| Torque output, Nm | 110 – 115 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 75 |
| Piston stroke, mm | 77 |
| Compression ratio | 9.3 |
| Features | no |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 3.0 |
| Fuel type | petrol |
| Euro standards | EURO 0 |
| Fuel consumption, L/100 km (for Peugeot 205 1991) — city — highway — combined |
8.4 5.2 7.1 |
| Engine lifespan, km | ~180 000 |
| Weight, kg | 100 |
The engine was installed on:
- Peugeot 205 I (M24) in 1988 – 1991;
- Peugeot 309 I (C28) in 1990 – 1991;
- Peugeot 405 I (D6/D7) in 1987 – 1992;
- Citroen BX in 1988 – 1991, AX in 1989 – 1991.
Disadvantages of the TU3K engine
- Most owners are bothered by the frequent and varied vagaries of the carburetor;
- In second place in terms of prevalence are failures of the engine ignition system;
- Next come electrical glitches, usually problems are related to wiring or contacts;
- It is advisable to change the timing belt every 60,000 km, because when it breaks, the valves bend;
- Approximately once every 70 – 80 thousand km, adjustment of the thermal clearances of the valves is required.
Frequently asked questions about the Peugeot TU3K
How much power does the Peugeot TU3K make?
The Peugeot TU3K develops 65 - 70 hp and 110 - 115 Nm of torque.
How much oil does the Peugeot TU3K take and which one?
Engine oil capacity: 3.0 liters. Recommended oil: 5W-40.
Does the Peugeot TU3K have a timing belt or chain?
The Peugeot TU3K uses a timing belt.
Is the Peugeot TU3K turbocharged?
No, the Peugeot TU3K is naturally aspirated.
Does the Peugeot TU3K need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Peugeot TU3K last?
The typical lifespan of the Peugeot TU3K is ~180 000 km with proper maintenance.
What is the fuel consumption of the Peugeot TU3K?
Peugeot 205 1991: city 8.4, highway 5.2, combined 7.1 L/100 km.
What cars was the Peugeot TU3K installed on?
Peugeot 205 I (M24) in 1988 - 1991; Peugeot 309 I (C28) in 1990 - 1991; Peugeot 405 I (D6/D7) in 1987 - 1992; Citroen BX in 1988 - 1991, AX in 1989 - 1991.
What are the common problems of the Peugeot TU3K?
Most owners are bothered by the frequent and varied vagaries of the carburetor. In second place in terms of prevalence are failures of the engine ignition system. All known problems.





