01
Engine Repair
Honest engine diagnostics and repair — from odd noises and oil leaks to timing, sensors, and major mechanical work.
- Fault finding & inspection
- Sensors, belts & gaskets
- Timing & mechanical repairs
1–5 days
All services
Jass Motors · Jyväskylä
Electrical Work
About this service
Electrical problems can be frustrating: warning lights, weak batteries, dead sockets, or intermittent faults. Jass Motors traces the real cause — battery and charging health, fuses, grounds, wiring, and modules — using practical diagnostics, not random part swapping. We repair wiring, replace failed components, and confirm the system works before you drive away. Straightforward electrical work for everyday reliability.
How we handle this job
A simple roadmap of what happens from drop-off to handover.
- 1
Reproduce the fault
Lights, battery drain, warning lamps, or dead circuits — we confirm when it fails.
- 2
Test power path
Battery, charging, fuses, grounds, and key circuits are tested in a logical order.
- 3
Repair the cause
Wiring, connectors, or failed parts are repaired or replaced — not parts-guessing.
- 4
Confirm it stays fixed
We re-test the system so the fault is gone before you leave the workshop.
What we cover
Work areas under this service — so you can see what belongs here.
Power & charging
- Battery health checks
- Alternator / charging tests
- Parasitic drain tracing
- Terminal & cable issues
Lighting & circuits
- Exterior lighting faults
- Fuse & relay problems
- Socket / accessory circuits
- Ground and connector repairs
Modern electrics
- Sensor-related warnings
- Basic module fault tracing
- Intermittent electrical gremlins
- Verified after-repair tests
What's included
- Battery & charging tests
- Lighting & wiring repair
- Fuse & module faults
- Verified fix before handover
When this service helps
- Car that struggles to start or battery dies overnight
- Lights or indicators that fail randomly
- Warning lights tied to electrical systems
- Burnt smell or melted connector concerns
Good to know
- Intermittent faults can take longer — we explain the tracing plan.
- A weak battery can create many false symptoms; we test that early.
- We avoid swapping expensive parts until the cause is clear.
Workshop gallery
Realistic workshop scenes related to this service — the kind of work we do every day at Jass Motors in Jyväskylä.
Related services
02
Gearbox Repair
Manual and automatic gearbox service — fluid work, clutch jobs, and gearbox repairs done the careful way.
- Manual & automatic service
- Clutch inspection & replacement
- Fluid exchange
4 hours – 3 days
03
Brake Systems
Pads, discs, calipers, and brake fluid — stopping power you can trust for daily driving and Finnish winters.
- Pad & disc replacement
- Caliper service
- Brake fluid flush
2–4 hours