Alfa Romeo2004–2010

GT 2.0 JTS 937A1.000: Common faults & known problems

Common faults & known problems

10 known faults documented in workshop bulletins. Of these, three concern the engine and fuel system and two the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.

Engine & fuel system

3 documented faults — symptoms, causes and workshop fixes.

Engine malfunction indicator lamp (MIL) illuminated

Affects All models with petrol engines.P0325P1325

Symptoms

Trouble codes stored: P0325, P1325.

Cause

Knock sensor (KS) fault.

Repair

  1. Check wiring connector and resistance of KS. Replace parts as necessary.

Data: Motorwise Workshop. Bulletin 2.

Rattling noise from top of engine for several seconds when starting after the vehicle has stood for long periods

Overview

Affects
All models with 1.6/1.8/2.0 petrol engines.
Remedy
Fit modified part
Parts
4 parts

Cause

Camshaft position (CMP) actuator drains after standing for long period.

Oil non-return valve not included at manufacture.

Repair

  1. Engine No. →3575550. Remove cylinder head. Fit non-return valve to oil gallery of camshaft position (CMP) actuator. Refit cylinder head. Fit modified camshaft position (CMP) actuator. Fit new cylinder head cover gasket.
  2. Engine No. 3575550→. Fit modified camshaft position (CMP) actuator. Fit new cylinder head cover gasket.
Parts4 parts
Parts listed in the bulletin
PartPart numberQty
Camshaft position (CMP) actuator717383601
Non-return valve606778991
Cylinder head cover gasket (JTS)606694921
Cylinder head cover gasket (Twin spark)606555921

Data: Motorwise Workshop. Bulletin 3.

Knocking noise from engine compartment with engine idling

Overview

Affects
All models.
Remedy
Fit new part
Parts
2 parts

Cause

Balancer shaft belt tensioner faulty.

Repair

  1. Fit new balancer shaft belt tensioner.
  2. Fit new balancer shaft belt.
Parts2 parts
Parts listed in the bulletin
PartPart numberQty
Balancer shaft belt552212541
Balancer shaft belt tensioner552212531

Data: Motorwise Workshop. Bulletin 5.

Electrical & ignition

2 documented faults — symptoms, causes and workshop fixes.

Automatic window partial opening function not working correctly

Affects All models, →03/08.

Cause

Electric window control module software fault.

Repair

  1. Replace electric window control module(s) as required.
Parts1 part
Parts listed in the bulletin
PartPart numberQty
Electric window control module505127172

Data: Motorwise Workshop. Bulletin 6.

Irregular operation of electric windows

Overview

Affects
All models, VIN 5260347-5262208.
Parts
2 parts

Cause

Driver's electric window switch faulty.

Repair

  1. Inspect production date code on driver's electric window switch.
  2. If the date code is 297, renew driver's electric window switch.
Parts2 parts
Parts listed in the bulletin
PartPart numberQty
Electric window switch, driver's door - LHD1560717381
Electric window switch, driver's door - RHD1560717391

Data: Motorwise Workshop. Bulletin 7.

Brakes

1 documented fault — symptoms, causes and workshop fixes.

Whistling noise from front brakes when brakes applied

Affects All models except 3.2.Fit modified part

Cause

Unsatisfactory design of front brake pads.

Repair

  1. Fit modified front brake pads.
Parts1 part
Parts listed in the bulletin
PartPart numberQty
Front brake pad kit773622291

Data: Motorwise Workshop. Bulletin 10.

Suspension & drivetrain

2 documented faults — symptoms, causes and workshop fixes.

Knocking/squeaking noise from rear suspension over uneven surfaces

Rear suspension lower arm bushes worn. Fix: fit a new part.

Overview

Affects
All models.
Remedy
Fit new part

Repair steps

  1. Mark position of rear suspension lower arm inner bolt.
  2. Fit new rear suspension lower arms.
  3. Realign marks and check rear wheel alignment.

Data: Motorwise Workshop. Bulletin 1.

Noise from front suspension over uneven surfaces

Affects All models.

Cause

Front suspension upper arm making contact with wheel arch lining.

Repair

  1. Modify front wheel arch lining by cutting off section where contact has occurred.

Data: Motorwise Workshop. Bulletin 4.

Clutch & gearbox

1 documented fault — symptoms, causes and workshop fixes.

Unable to select gears

Software fault in transmission control module (TCM). Fix: adjust and tighten.

Overview

Affects
All models with auto shift manual (ASM) transmission, →06/05.
Remedy
Adjust & tighten

Symptoms

Transmission stuck in 2nd gear whilst digital multifunction display shows 'N'.

Repair steps

  1. If transmission stuck in 2nd gear: Remove access plug from transmission housing Insert a suitable tool into transmission and disengage 2nd gear. Ensure 1st gear not accidentally engaged. Refit access plug into transmission housing Tightening torque: 18 - 22 Nm.
  2. Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
  3. If no fault(s) found: Re-program TCM with upgraded software.

Data: Motorwise Workshop. Bulletin 8.

Other

1 documented fault — symptoms, causes and workshop fixes.

Metallic noise from fascia over uneven road

Affects All models, →02/05.

Symptoms

Rattling noise from audio unit area.

Cause

Excessive clearance between audio unit and surrounding.

Repair

  1. Apply felt tape to audio unit.

Data: Motorwise Workshop. Bulletin 9.

Glossary

Technical terms used in this guide.

VIN
Vehicle identification number — 17 characters, found at the base of the windscreen and on the V5C logbook
Nm
Newton-metres — the standard unit for how tightly a bolt is done up
Trouble Codes
Standardised fault codes stored by the engine control module, read with a diagnostic tool
CMP
Camshaft position — a sensor that tells the engine control module where the camshaft is
KS
Knock sensor — listens for engine knock so the engine control module can retard the timing
TCM
Transmission control module — the electronic unit that manages the gearbox
Actuator
A motor or solenoid that moves a mechanical part on command
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
Bushes
Rubber mountings that let a suspension or body joint move without metal-to-metal contact
Lower Arm
A suspension link that locates the wheel at the bottom of the hub

Frequently asked questions

What are the common faults with the Alfa Romeo GT 2.0 JTS?

This guide contains 10 workshop bulletins for the Alfa Romeo GT 2.0 JTS. Of these, three concern the engine and fuel system and two the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.

Does every Alfa Romeo GT 2.0 JTS 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 GT 2.0 JTS faults myself?

Many of them. The documented symptoms can be seen, heard or felt during a test drive.

Related guides

Glossary term

See in the glossary →