Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Jeep Grand Cherokee TrackhawkFACTORY OEM SERVICE PROCEDURE
Sensor, TMAP-Intake Manifold: Installation: Intermediate
- Check the condition of Temperature and Manifold Absolute Pressure (TMAP) sensor O-ring.
- Clean the sealing area on the supercharger.
- Lubricate the TMAP sensor O-ring seal with clean engine oil.
- Install the TMAP sensor into the supercharger. Tighten the screw (1) to the proper specifications. Refer to TORQUE SPECIFICATIONS .
- Connect the TMAP sensor wire harness connector (2).
- Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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