Engine & fuel system
2 documented faults — symptoms, causes and workshop fixes.
Fuel filler flap difficult to open
Cause
Insufficient clearance fuel filler flap and fuel filler flap opening surround.
Repair
- Fit modified fuel filler flap.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Fuel filler flap | 50515465 | 1 |
Data: Motorwise Workshop. Bulletin 2.
Stop-start system not working
Overview
- Affects
- All models with 1.4/1.6/2.0 engines and stop-start system.
- Remedy
- Software update
Symptoms
Engine malfunction indicator lamp (MIL) illuminated. Trouble code stored: P181D.
Cause
Engine control module (ECM) software fault.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program engine control module (ECM) with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 3.
Brakes
1 documented fault — symptoms, causes and workshop fixes.
Poor driveability in adverse weather conditions (snow/ice) with snow chains fitted and all weather driving mode is activated
Overview
- Affects
- All models without auto shift manual (ASM) transmission, VIN →7149089.
- Remedy
- Software update
Cause
ABS/ESP control module software fault.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program ABS/ESP control module with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 6.
Clutch & gearbox
3 documented faults — symptoms, causes and workshop fixes.
Rumbling noise from clutch assembly when reversing
Overview
- Affects
- All models with 1.4 Turbo MultiAir engine and C635 transmission code.
- Remedy
- Fit modified part
- Parts
- 2 parts
Cause
Unsatisfactory design of clutch assembly.
Repair
- Fit modified clutch assembly.
- Check front wheel alignment and adjust if necessary.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Clutch kit | 55255355 | 1 |
| Bolt | 7748285 | As required |
Data: Motorwise Workshop. Bulletin 1.
Abnormal noise from transmission when pulling away or when accelerating/decelerating
Overview
- Affects
- All models with manual transmission or auto shift manual (ASM) transmission, VIN →7131429.
- Remedy
- Fit modified part
- Parts
- 2 parts
Cause
Excessive free play between differential gears.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Remove transmission from vehicle and dismantle. Fit modified differential. Reassemble transmission and refit.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Differential (manual transmission) | 55247379 | 1 |
| Differential (ASM transmission) | 55247380 | 1 |
Data: Motorwise Workshop. Bulletin 4.
Gear lever knob cap adrift due to broken retaining clips
Overview
- Affects
- All models with manual transmission, VIN →7083949.
- Remedy
- Fit modified part
- Parts
- 2 parts
Cause
Unsatisfactory design of gear lever knob cap.
Repair
- Clean gear lever knob and apply adhesive.
- Fit modified gear lever knob cap.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Gear lever knob cap | 55346345 | 1 |
| Adhesive | 55243750 | 1 |
Data: Motorwise Workshop. Bulletin 5.
Glossary
Technical terms used in this guide.
- MIL
- Malfunction indicator lamp — the engine warning light on the dashboard
- ECM
- Engine control module — the electronic unit that manages the engine
- VIN
- Vehicle identification number — 17 characters, found at the base of the windscreen and on the V5C logbook
- ABS/ESP
- Anti-lock braking and electronic stability programme — the system that stops the wheels locking and keeps the vehicle stable
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Stop-Start
- The system that cuts the engine at idle and restarts it when you pull away
- Trouble Code
- A standardised fault code stored by a control module, read with a diagnostic tool
Frequently asked questions
What are the common faults with the Alfa Romeo Giulietta 1.4 Turbo MultiAir 150?
This guide contains six workshop bulletins for the Alfa Romeo Giulietta 1.4 Turbo MultiAir 150. Of these, three concern the clutch and gearbox and two the engine and fuel system. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Alfa Romeo Giulietta 1.4 Turbo MultiAir 150 have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Alfa Romeo Giulietta 1.4 Turbo MultiAir 150 faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.