
Renault J8S
This diesel unit is very afraid of overheating and breaks the gasket in it regularly. But the most dangerous thing is that…
Renault Trafic is a French light van and minivan car from Renault Group. Manufactured since 1981. Since 2014, the third generation of the model has been produced. In 2016, a modification with increased driving performance appeared, designated as the Trafic X-Track. The machine is manufactured in Great Britain and France. The analogues of cars from other manufacturers are Opel Vivaro, Vauxhall Vivaro and Nissan Primastar.


A nine-seater Renault Trafic minibus with a 116 hp 2-liter petrol engine and a 114 hp 2.0 dCi turbodiesel car were offered in many markets. The car had versions with two wheelbase lengths.

The Renault Trafic was offered with 8 engines since 1980 (1 petrol, 7 diesel). Displacement ranges from 1.6 to 2.5 liters, power output from 54 to 200 hp. 2 use a timing chain and 6 a timing belt. 7 are turbocharged. The longest rated lifespan belongs to the Renault F8Q (about 500,000 km).
| Engine | Years | Volume | Power | Fuel | Timing | Oil | Lifespan |
|---|---|---|---|---|---|---|---|
| Renault Trafic 1 (TXW) 1980–2001 | |||||||
| Renault J8S | 1980–1997 | 2.1 L R4 | 63–92 hp | diesel, NA / turbo | belt | 6.3 L | ~500,000 km |
| Renault S8U | 1980–2001 | 2.4–2.5 L R4 | 71–113 hp | diesel, NA / turbo | belt | 5.5–6.5 L | ~500,000 km |
| Renault F1N | 1984–1997 | 1.7 L R4 | 68 hp | petrol | belt | ||
| Renault F8Q | 1997–2001 | 1.9 L R4 | 54–90 hp | diesel, NA / turbo | belt | 5.9 L | ~500,000 km |
| Renault Trafic 2 (X83) 2001–2014 | |||||||
| Renault G9U | 2001–2014 | 2.5 L R4 | 100–145 hp | diesel, turbo | belt + gears | 8.2 L | ~400,000 km |
| Renault F9Q (dCi) | 2001–2006 | 1.9 L R4 | 80–130 hp | diesel, turbo | belt | 5.5 L | ~500,000 km |
| Renault M9R | 2006–2014 | 2.0 L R4 | 90–200 hp | diesel, turbo | chain | 7–7.8 L | ~500,000 km |
| Renault Trafic 3 (X82) 2014–present | |||||||
| Renault R9M | 2014–present | 1.6 L R4 | 95–160 hp | diesel, turbo | chain | 6.5 L | ~400,000 km |
Renault Trafic 1 (TXW) (1980–2001): Renault J8S, Renault S8U, Renault F1N and Renault F8Q; Renault Trafic 2 (X83) (2001–2014): Renault G9U, Renault F9Q (dCi) and Renault M9R; Renault Trafic 3 (X82) (2014–present): Renault R9M.
By rated service life the most durable Renault Trafic engines are: Renault F8Q — about 500,000 km; Renault F9Q (dCi) — about 500,000 km; Renault J8S — about 500,000 km. Actual lifespan depends heavily on maintenance and oil change intervals.
Engine oil capacity with filter: Renault F8Q — 5.9 L (5W-40, 10W-40); Renault F9Q (dCi) — 5.5 L (5W-30, 5W-40); Renault G9U — 8.2 L (5W-30, 5W-40); Renault J8S — 6.3 L (10W-40, 15W-40); Renault M9R — 7–7.8 L (5W-30, 5W-40); Renault R9M — 6.5 L (5W-30); Renault S8U — 5.5–6.5 L (10W-40).
Timing chain: Renault M9R and Renault R9M; timing belt: Renault F1N, Renault F8Q, Renault F9Q (dCi), Renault G9U, Renault J8S and Renault S8U; gear drive: Renault G9U. Belts must be replaced on schedule: on many engines a broken belt bends the valves.
Yes: Renault F8Q, Renault F9Q (dCi), Renault G9U, Renault J8S, Renault M9R, Renault R9M and Renault S8U.

This diesel unit is very afraid of overheating and breaks the gasket in it regularly. But the most dangerous thing is that…

This is a strong diesel engine with a long resource, but when overheated, its cylinder head often bursts.

Poor fuel regularly clogs the carburetor filters and jets, causing vibration, unstable idle and stalling.

The most well-known problem with this diesel engine is head cracking. Almost all motors suffer from cracks and frequent overheating only accelerates…

The resource of this motor depends on the condition of the oil pump, which wears out quickly, from which its performance drops.…

There is not a very reliable mechanism for adjusting the gap between the gears of the timing drive, in which the springs…

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