Dacia · Dokker · 2012-2021
Dacia Dokker 1.5 dCi 90 specs and common problems
A roomy light commercial vehicle popular with tradespeople and families. The K9K stays economical under load. Under heavy use, the clutch and EGR are the most frequent maintenance items.
01 / 07
How much oil does the Dokker 1.5 dCi 90 take?
The Dokker 1.5 dCi 90 takes about 4.5 litres of 5W-30 engine oil including the filter. Approval to look for on the bottle: Renault RN0720 (DPF-compatible).
- Approval
- Renault RN0720 (DPF-compatible)
- Alternative
- 0W-30
- Manual 5-speed
- 75W-80 · ≈ 2.5 L
- Coolant
- Glaceol RX Type D 50/50 · ≈ 5.5 L
- Brake fluid
- DOT 4
02 / 07
Timing belt and maintenance
In practice 120,000 km / 5 years
Belt, tensioner, idler and water pump are replaced as a kit. If the belt snaps, the engine is badly damaged.
The water pump is driven by the timing belt, so it should be replaced at the same time.
- Oil change
- 10,000-15,000 km or once a year
- Glow plug
- 4 pcs · If hard starting in the cold appears
- Valves / tappets
- Hydraulic tappets, no adjustment needed.
- Fuel filter
- 30,000 km
- Power
- 90 hp @ 4,000 rpm
- Torque
- 200 Nm @ 1,750 rpm
- Displacement
- 1,461 cc
- Fuel
- Diesel · Turbo, intercooler
- Valvetrain
- SOHC 8V
- Injection
- Common-rail direct injection
- Transmission
- 5-speed manual
- Emissions
- Euro 5 / Euro 6
03 / 07
Tyre size and pressure
- Original size
- 185/65 R15
- Alternative sizes
- 195/65 R15
- Bolt pattern (PCD)
- 4x100
- Centre bore
- 60.1 mm
- Wheel
- 6J x 15
04 / 07
Is the Dokker 1.5 dCi 90 suitable for LPG?
- Classic LPG conversions are not done on diesel engines.
05 / 07
Dokker 1.5 dCi 90 common problems and fixes
- #01
EGR valve sooting
Medium Risk60,000-120,000 km
- Symptom:
- Flat spot when accelerating in gear, black smoke, limp mode, P0401.
- Cause:
- Short city trips and extended oil change intervals.
- Proper fix:
- The EGR valve and passage are removed, cleaned and adapted. Replaced if the valve motor is faulty.
- #02
Injector failure
High RiskAfter 150,000 km
- Symptom:
- Hard starting, knocking at idle, blue-white smoke, P0087.
- Cause:
- Poor-quality fuel and a neglected diesel filter.
- Proper fix:
- Return test and flow measurement, rebuild and coding of the faulty injector.
- #03
Crank pulley (damper) failure
High RiskAfter 100,000 km
- Symptom:
- Ticking from the front of the engine, auxiliary belt wobbling, charging light.
- Cause:
- The rubber layer in the pulley ageing.
- Proper fix:
- The crank pulley and auxiliary belt are replaced. If left, the snapped belt can damage the timing belt.
06 / 07
Common fault codes on the Dokker 1.5 dCi 90
07 / 07
Frequently asked questions
How much engine oil does the Dokker 1.5 dCi 90 take?
The Dokker 1.5 dCi 90 (K9K) takes about 4.5 litres of engine oil including the filter. Recommended viscosity is 5W-30; look for the Renault RN0720 (DPF-compatible) approval. Check the level on the dipstick after filling.
When should the timing belt on the Dokker 1.5 dCi 90 be replaced?
This engine uses a timing belt. In practice 120,000 km / 5 years. Belt, tensioner, idler and water pump are replaced as a kit. If the belt snaps, the engine is badly damaged.
What tyre pressure should the Dokker 1.5 dCi 90 run?
With the original 185/65 R15 tyres, 36 PSI front and 39 PSI rear are recommended at normal load, and 39 front / 46 rear at full load. The exact values are on the door pillar or fuel flap sticker.
Is the Dokker 1.5 dCi 90 suitable for LPG?
Not suitable, diesel engine. Classic LPG conversions are not done on diesel engines.
What are the common problems of the Dokker 1.5 dCi 90?
The best-known problems are: EGR valve sooting, Injector failure, Crank pulley (damper) failure. The symptoms and fix for each are explained on this page.
Other Dacia models
Values are approximate and may vary by engine and VIN. Check against your service manual before doing any work. ·