Fiat · Linea · 2007-2016
Fiat Linea 1.4 Fire 77 specs and common problems
The petrol Linea, very common with LPG. The 8-valve 1.4 Fire is simple and cheap to maintain; on LPG, don't skip plug, coil and valve checks.
01 / 07
How much oil does the Linea 1.4 Fire 77 take?
The Linea 1.4 Fire 77 takes about 3 litres of 5W-40 engine oil including the filter. Approval to look for on the bottle: Fiat 9.55535-H2 / ACEA A3-B4.
- Approval
- Fiat 9.55535-H2 / ACEA A3-B4
- Alternative
- 10W-40 (high mileage)
- Manual 5-speed
- 75W-85 · ≈ 1.8 L
- Coolant
- Paraflu (OAT) 50/50 · ≈ 5.5 L
- Brake fluid
- DOT 4
The value may vary by engine version; check with the dipstick.
02 / 07
Timing belt and maintenance
In practice 90,000 km / 4 years
If the belt snaps, the valves are damaged. Replace it together with the water pump.
The water pump is driven by the timing belt, so it should be replaced at the same time.
- Oil change
- 15,000 km or once a year (10,000 km on LPG)
- Spark plug
- Gap ≈ 0.8 mm · 30,000 km (20,000 km on LPG)
- Valves / tappets
- On LPG cars, valve condition should be checked periodically.
- Air filter
- 30,000 km
- Power
- 77 hp @ 6,000 rpm
- Torque
- 115 Nm @ 3,000 rpm
- Displacement
- 1,368 cc
- Fuel
- Petrol · Naturally aspirated
- Valvetrain
- SOHC 8V
- Injection
- Multi-point sequential injection (MPI)
- Transmission
- 5-speed manual
- Emissions
- Euro 4 / Euro 5
03 / 07
Tyre size and pressure
- Original size
- 185/65 R15
- Alternative sizes
- 205/55 R16
- Bolt pattern (PCD)
- 4x98
- Centre bore
- 58.1 mm
- Wheel
- 6J x 15
04 / 07
Is the Linea 1.4 Fire 77 suitable for LPG?
Sequential LPG system (factory-fitted version also available)
- Toroidal tank
- 600/200 toroidal tank, ≈ 42 L gross
- Valve protection
- Recommended
- On factory-fitted LPG versions, the tune has already been done by the manufacturer.
- On aftermarket systems, LTFT values must be compared.
05 / 07
Linea 1.4 Fire 77 common problems and fixes
- #01
Misfiring on LPG
Medium RiskAt any mileage
- Symptom:
- Misfiring under load, P0300.
- Cause:
- Worn plugs and coils, LPG injector or filter.
- Proper fix:
- Plug and coil check, LPG filter and injector service.
- #02
Thermostat failure
Low RiskAfter 80,000 km
- Symptom:
- Engine warms up slowly, heater blows lukewarm, P0128.
- Cause:
- Thermostat stuck open.
- Proper fix:
- Thermostat replacement.
- #03
Worn clutch kit
Low RiskAfter 100,000 km
- Symptom:
- Clutch slipping, biting point high.
- Cause:
- Stop-and-go city driving.
- Proper fix:
- Clutch kit replacement.
06 / 07
Common fault codes on the Linea 1.4 Fire 77
07 / 07
Frequently asked questions
How much engine oil does the Linea 1.4 Fire 77 take?
The Linea 1.4 Fire 77 (1.4 Fire 8V) takes about 3 litres of engine oil including the filter. Recommended viscosity is 5W-40; look for the Fiat 9.55535-H2 / ACEA A3-B4 approval. Check the level on the dipstick after filling.
When should the timing belt on the Linea 1.4 Fire 77 be replaced?
This engine uses a timing belt. In practice 90,000 km / 4 years. If the belt snaps, the valves are damaged. Replace it together with the water pump.
What tyre pressure should the Linea 1.4 Fire 77 run?
With the original 185/65 R15 tyres, 33 PSI front and 33 PSI rear are recommended at normal load, and 36 front / 39 rear at full load. The exact values are on the door pillar or fuel flap sticker.
Is the Linea 1.4 Fire 77 suitable for LPG?
Suitable. On factory-fitted LPG versions, the tune has already been done by the manufacturer.
What are the common problems of the Linea 1.4 Fire 77?
The best-known problems are: Misfiring on LPG, Thermostat failure, Worn clutch kit. The symptoms and fix for each are explained on this page.
Other Fiat models
Values are approximate and may vary by engine and VIN. Check against your service manual before doing any work. ·