EVHub

Repair

Repair Knowledge Base

Searchable EV repair and service guides, each labelled from owner checks to HV-qualified work.

Safety first: this content is educational. Never work on energized high-voltage parts (orange cables) unless you are HV-qualified.

Check and set tyre pressure

Owner check

Tyres · 10 min

Tools: Tyre gauge, Air pump

  1. Check when tyres are cold.
  2. Find the pressure on the door-jamb label.
  3. Measure each tyre and adjust.
  4. Reset the tyre warning if the car asks.

Replace wiper blades

Owner check

Body · 10 min

Tools: New blades

  1. Put wipers in service position (see manual).
  2. Lift arm and release the clip.
  3. Fit the new blade until it clicks.

Replace cabin air filter

Owner check

Climate · 20 min

Tools: New filter, Trim tool (some models)

  1. Open the filter cover (often behind the glovebox).
  2. Note airflow arrow direction.
  3. Swap filter and refit cover.

Test the 12 V battery

Enthusiast

12 V · 15 min

Tools: 12 V tester or multimeter

  1. Let the car sleep for 30 min.
  2. Measure resting voltage at the 12 V terminals only.
  3. Below 12.2 V: charge and retest; replace if weak.

Rotate tyres

Enthusiast

Tyres · 45 min

Tools: Jack at EV lift points, Axle stands, Torque wrench

  1. Use only the marked jacking points — never the battery pack.
  2. Swap wheels per the manual's pattern.
  3. Torque wheel nuts to spec and recheck after 50 km.

Clean and lubricate brake calipers

Professional

Brakes · 1–2 h

Tools: Lift, Brake grease, Torque wrench

  1. Put car in service/brake mode so the electric brake doesn't clamp.
  2. Remove pads, clean slide pins and carriers.
  3. Lubricate, refit, torque, bed in pads.

Replace brake fluid

Professional

Brakes · 1 h

Tools: Diagnostic tool, Pressure bleeder

  1. Brake-by-wire cars often need the scan tool to run the bleed routine.
  2. Bleed each wheel in sequence.
  3. Test the brakes before driving.

Coolant drain and refill

Professional

Cooling · 2 h

Tools: Correct low-conductivity coolant, Vacuum filler

  1. Use only the maker's specified coolant.
  2. Vacuum-fill to remove air pockets.
  3. Run the pump bleed routine with the scan tool.

Replace a high-voltage cable or contactor

HV qualified only

High voltage · Varies

Tools: Class 0 gloves, Insulated tools, CAT III/IV meter

  1. For learning only — certified HV technicians.
  2. Isolate, lock out and prove zero voltage first.
  3. Follow the maker's procedure exactly.