Workshop Manuals Factory service & repair Alfa Romeo
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Alfa Romeo GT Factory Service Manual (2003-2010)07 · Diagnostic checks
07 · Diagnostics

Lubrication system - check delivery pressure

Make
Alfa Romeo
Model
GT Factory Service Manual
Year
2003–2010
Section
Various controls › Lubrication system - check delivery pressure
Diagnostic checksLubrication system - check delivery pressure

LUBRICATION SYSTEM - CHECK DELIVERY PRESSURE

Operation 0510C20 · CHECK SYSTEMS

2.0 JTS

Start the car and let it warm up until the radiator cooling fan has come on twice.

Position the vehicle on a lift.

Proceed with the removal

Op. 7055B54 UNDER-ENGINE GUARD - R R.

Proceed with the removal

Op. 1076B18 RIGID SECTION OF EXHAUST PIPE BETWEEN CATALYTIC CONVERTER AND SILENCER - R + R.

Proceed with the removal

Op. 1084A42 ENGINE OIL TEMPERATURE SENDER UNIT - R + R.

1. Fit the engine oil pressure warning light switch in the housing.

DescriptionCode
1Connector1.860.969.000

2. Fit the pressure gauge.

Start up the engine only for long enought to check that the engine lubrication system supply pressure is within the recommended values.

MeasurementValue
Clearance between piston - cylinder liner (mm)Category A0.038 - 0.058
Category B0.039 - 0.061
Category C0.042 - 0.062
MeasurementValue
Engine oil pressure at 4000 rpm (bar)6
LUBRICATION SYSTEM - CHECK DELIVERY PRESSURE

Remove the pressure gauge.

Remove the tool.

DescriptionCode
Connector1.860.969.000

Proceed with the refitting

Op. 1084A42 ENGINE OIL TEMPERATURE SENDER UNIT - R + R.

Proceed with the refitting

Op. 1076B18 RIGID SECTION OF EXHAUST PIPE BETWEEN CATALYTIC CONVERTER AND SILENCER - R + R.

Proceed with the refitting

Op. 7055B54 UNDER-ENGINE GUARD - R R.

Remove the vehicle from the lift. [PA1]

3.2 V6

Let the engine warm up (engine oil temperature (~ 90°C).

Proceed with the removal

Op. 7055B54 UNDER-ENGINE GUARD - R R.

Proceed with the removal

Op. 1084B30 ENGINE OIL FILTER R R.

Proceed with the removal

Op. 1084A42 ENGINE OIL TEMPERATURE SENDER UNIT - R + R.

1. Fit the insufficient engine oil pressure warning light switch in the housing.

DescriptionCode
1Connector1.860.969.000

2. Fit the pressure gauge.

Temporarily fit the engine oil filter.

Start up the engine only for long enough to check that the engine oil pressure is within the recommended values.

MeasurementValue
Engine oil pressure at idle speed (bar)0.8
MeasurementValue
Engine oil pressure at 4000 rpm (bar)4.5
LUBRICATION SYSTEM - CHECK DELIVERY PRESSURE

Remove the engine oil filter

Remove the pressure gauge.

Remove the tool.

DescriptionCode
Connector1.860.969.000

Proceed with the refitting

Op. 1084A42 ENGINE OIL TEMPERATURE SENDER UNIT - R + R.

Proceed with the refitting

Op. 1084B30 ENGINE OIL FILTER R R.

Proceed with the refitting

Op. 7055B54 UNDER-ENGINE GUARD - R R.

1.9 JTD 16V

Start the car and let it warm up until the radiator cooling fan has come on twice.

Position the vehicle on a lift.

Proceed with the removal

Op. 7055B54 UNDER-ENGINE GUARD - R R.

Proceed with the removal

Op. 1084A42 ENGINE OIL TEMPERATURE SENDER UNIT - R + R.

1. Fit the engine oil pressure warning light switch in the housing.

DescriptionCode
1Connector1.860.969.000

2. Fit the pressure gauge.

Start up the engine only for long enought to check that the engine lubrication system supply pressure is within the recommended values.

MeasurementValue
Gap (mm)1st Ring0.250 - 0.500
2nd ring0.300 - 0.500
Oil scaper ring0.250 - 0.450
MeasurementValue
Big end diameter (mm)53.909 - 53.897
LUBRICATION SYSTEM - CHECK DELIVERY PRESSURE

Remove the pressure gauge.

Remove the tool.

DescriptionCode
Connector1.860.969.000

Proceed with the refitting

Op. 1084A42 ENGINE OIL TEMPERATURE SENDER UNIT - R + R.

Proceed with the refitting

Op. 7055B54 UNDER-ENGINE GUARD - R R.

Remove the vehicle from the lift. [PA1]

1.8 T.SPARK

1. Fit the insufficient engine oil pressure warning light switch in the housing.

DescriptionCode
1Connector1.860.969.000

2. Fit the pressure gauge

LUBRICATION SYSTEM - CHECK DELIVERY PRESSURE
DescriptionCode
Connector1.860.969.000

Parts & tools for this job Staging For 2003 Alfa Romeo GT

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