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Workshop cases

Representative jobs from our Williamstown North workshop — problem, diagnosis, work and result. Day-to-day photos and updates live on our Instagram blog.

Ford Ranger 2.2 diesel 2014 engine swap in progress at StalexAuto

Ford Ranger 2.2 Diesel 2014 — engine swap

Problem
Failed 2.2 diesel engine — beyond economical in-place rebuild for this vehicle’s condition and customer brief.
Diagnosis
Inspection and assessment confirmed a full engine replacement was the practical path versus extensive short-block work.
Work
Complete engine swap on the Ford Ranger 2.2 diesel (2014): donor/replacement motor fitted, ancillaries checked, fluids and systems verified, then road testing.
Result
Reliable drive restored with a refreshed powertrain.

Engine repairs

Ford Territory 2.7L diesel 2012 timing belt replacement at StalexAuto

Ford Territory 2.7L Diesel 2012 — timing belt replacement

Problem
Due timing belt interval on the 2.7L diesel Territory — major service before the risk window for belt failure.
Diagnosis
Pre-service inspection confirmed the timing belt service was due; tensioners, idlers and related components assessed with the kit scope.
Work
Full timing belt kit replacement on the Ford Territory 2.7L diesel (2012), with correct alignment/tensioning procedure and road verification after assembly.
Result
Timing drive renewed and documented for the customer’s service records.

Engine repairs

Ford Transit 2.0 EcoBlue 2019 timing belt replacement in progress at StalexAuto workshop

Ford Transit 2.0 EcoBlue 2019 — timing belt replacement

Problem
Due timing belt interval on a 2019 Ford Transit 2.0 EcoBlue — preventative major service before a failure risk window.
Diagnosis
Pre-service inspection confirmed the timing belt service was due; related pulleys/tensioners assessed as part of the kit scope.
Work
Full timing belt kit replacement on the Ford Transit 2.0 EcoBlue (2019), with correct tensioning procedure, related checks and road verification after assembly.
Result
Timing drive renewed and documented for the customer’s service records.

Engine repairs

Nissan Navara D40 manual transmission removed for clutch replacement at StalexAuto

Nissan Navara D40 2010 — manual clutch replacement

Problem
Clutch slip / poor engagement on the D40 manual transmission.
Diagnosis
Inspection and road assessment confirmed worn clutch assembly — not gearbox internals as the primary fault.
Work
Manual clutch replacement on the Nissan Navara D40 (2010), with related checks and road verification after fitment.
Result
Clean engagement and drive restored.

Clutch replacement

VW Tiguan DSG mechatronic unit during sensor and solenoid repair at StalexAuto

VW Tiguan 2017 R-Line — DSG mechatronic repair

Problem
Harsh / delayed shifts and gearbox warning behaviour on the dual-clutch DSG.
Diagnosis
Full TCU/mechatronic scan, road test and live-data checks pointed to the mechatronic unit. Bench assessment found faults in sensors and solenoids — repairable, not a wholesale “replace only” path.
Work
Mechatronic strip-down and repair: failed sensors and solenoids addressed, then refit with coding/adaptations and DSG fluid service as required.
Result
Clean, consistent shifts restored after road verification — original mechatronic repaired rather than replaced.

DSG repair & service in Melbourne

Audi Q5 3.0 TDI 2010 DSG mechatronic strip-down on the bench at StalexAuto

Audi Q5 3.0 TDI 2010 — DSG mechatronic repair (board + sensors)

Problem
Shudder on take-off, fault codes and intermittent limp mode.
Diagnosis
Scan data, road test and mechatronic pressure checks confirmed internal mechatronic faults — not clutch-only guesswork.
Work
Mechatronic repair including replacement of the control board plus sensor/solenoid attention as required, then coding/adaptations and verification.
Result
Smooth shifts restored with clear advice on ongoing care.

DSG repair & service in Melbourne

Mercedes-Benz ML 350D 2010 diesel injector removed during seat leak repair at StalexAuto

Mercedes-Benz ML 350D 2010 — injector seat leak

Problem
Rough running, diesel smell and visible seepage around an injector.
Diagnosis
Leak-down and bore inspection identified a failed copper seat / sealing surface.
Work
Injector removal, seat machining and reseal with approved parts.
Result
Engine ran cleanly again with no return of the leak path.
New rear air suspension spring fitted on Toyota Prado 150 2014 at StalexAuto

Toyota Prado 150 2014 — air suspension fault

Problem
Vehicle sitting low on one corner with suspension warning active.
Diagnosis
Module scan and circuit testing isolated a failed air spring / valve issue.
Work
Repaired and serviced the air suspension compressor, replaced the rear air springs (airbags), then calibrated the system.
Result
Level control and ride height returned to normal operation.
Toyota Tarago 3.0 2004 engine bay during knock sensor wiring repair at StalexAuto

Toyota Tarago 3.0 2004 — knock sensor wiring

Problem
Intermittent knock sensor codes and drivability hesitation under load.
Diagnosis
Wiring integrity and sensor signal checked with scope and load testing.
Work
Harness repair and verification — fault was wiring, not the engine itself.
Result
Codes cleared and performance stable on road test.
Audi A4 Allroad 2.0 TDI 2012 timing belt service with front-end access at StalexAuto

Audi A4 Allroad 2.0 TDI 2012 — timing belt service

Problem
Scheduled timing belt interval due; customer wanted independent workshop with clear scope.
Diagnosis
Pre-service inspection of belt, tensioners and related components.
Work
Timing belt kit replacement to manufacturer schedule with correct fluids and checks.
Result
Service documented for the customer’s records.

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Call us to discuss symptoms, request a quote for a specific repair, or book a service online. We are happy to talk through diagnostics, inspections and gearbox work before you commit to major repairs.

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