2021 Kia K5 GTFACTORY OEM SERVICE PROCEDURE

Inspection Component

  1. Remove the Engine Coolant Temperature Sensor (ECTS).

    (Refer to "Β REMOVALΒ Β ")Β 

  2. After immersing the thermistor of the sensor into engine coolant, measure resistance between ECTS signal terminal and ground terminal.
  3. Compare the measured resistance with the specification to below.
    Temperature Resistance (kΞ©)
    Β°C Β°F
    -40 -40 41.74 - 54.54
    -30 -22 23.54 - 29.94
    -20 -4 14.13 - 16.83
    -10 14 8.39 - 10.22
    0 32 5.28 - 6.29
    10 50 3.42 - 4.00
    20 68 2.31 - 2.59
    30 86 1.55 - 1.86
    40 104 1.08 - 1.21
    50 122 0.77 - 0.85
    60 140 0.56 - 0.61
    70 158 0.41 - 0.44
    80 176 0.31 - 0.33
    90 194 0.23 - 0.25
    100 212 0.18 - 0.19
    110 230 0.145 - 0.149
    120 248 0.113 - 0.118
    130 266 0.090 - 0.095
    140 284 0.073 - 0.077
    150 302 0.059 - 0.063
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.