How do I remove and install the TR sensor on a transaxle?

The TR sensor is on the transaxle top. Disconnect the negative battery terminal and remove the air filter housing. Disconnect the TR sensor's electrical connector and remove the shift control cable nut. Remove the control shaft lever and the TR sensor. To install, slide the TR sensor onto the manual valve shaft and loosely install the bolts. Install the lever and tighten the nut. Turn the lever to Park, then to Neutral. Connect the cable and install the nut. Align the lever and sensor holes, tighten the screws. Follow the removal steps in reverse to complete. Check the transmission and indicator operation.

Genuine Kia Optima Neutral Safety Switch

Transmission Neutral Safety Switch

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7 Neutral Safety Switches found

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Kia Optima Inhibitor Neutral Safety Switch
Part Number: 427003B700
$37.72 MSRP: $50.70
You Save: $12.98 (26%)

Add to Cart
Product Specifications
- Other Name: Switch-Inhibitor; Neutral Safety Switch, Range Sensor
- Replaced by: 4270026700
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following Vehicles:
- 2014-2020 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Inhibitor Switch
Part Number: 427003B100
$37.72 MSRP: $50.70
You Save: $12.98 (26%)

Add to Cart
Product Specifications
- Other Name: Switch-Inhibitor
- Replaced by: 4270026700
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following Vehicles:
- 2014-2015 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Inhibitor Neutral Safety Switch
Part Number: 4270026500
$37.72 MSRP: $50.70
You Save: $12.98 (26%)

Add to Cart
Product Specifications
- Other Name: Switch-Inhibitor
- Replaced by: 4270026700
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following Vehicles:
- 2011-2015 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
View related parts
Kia Optima Inhibitor Neutral Safety Switch
Part Number: 427003B500
$37.72 MSRP: $50.70
You Save: $12.98 (26%)

Add to Cart
Product Specifications
- Other Name: Switch-Inhibitor
- Replaced by: 4270026700
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following Vehicles:
- 2014-2015 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
View related parts
Kia Optima Inhibitor Switch
Part Number: 4270039050
$56.71 MSRP: $76.22
You Save: $19.51 (26%)

Add to Cart
Product Specifications
- Other Name: Switch-Inhibitor
- Manufacturer Note: NEW A/T
- Replaced by: 4270039055
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following Vehicles:
- 2000-2010 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta 2, 2.4L - Theta FF, 2.5L, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P
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Kia Optima Inhibitor Switch
Part Number: 4270026000
$37.72 MSRP: $50.70
You Save: $12.98 (26%)

Add to Cart
Product Specifications
- Other Name: Switch-Inhibitor
- Replaced by: 4270026700
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
View related parts
Kia Optima Inhibitor Switch
Part Number: 4270039055
$56.71 MSRP: $76.22
You Save: $19.51 (26%)

Add to Cart
Product Specifications
- Other Name: Switch-Inhibitor; Neutral Safety Switch, Range Sensor
- Manufacturer Note: SELECTIVE USE
- Replaces: 4270039050
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following Vehicles:
- 2000-2010 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta 2, 2.4L - Theta FF, 2.5L, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P

Kia Optima Neutral Safety Switch Parts Questions & Answers

Inhibitor Switch
4270039050
Q: How do I remove and install the TR sensor on a transaxle?
A: The TR sensor is on the transaxle top. Disconnect the negative battery terminal and remove the air filter housing. Disconnect the TR sensor's electrical connector and remove the shift control cable nut. Remove the control shaft lever and the TR sensor. To install, slide the TR sensor onto the manual valve shaft and loosely install the bolts. Install the lever and tighten the nut. Turn the lever to Park, then to Neutral. Connect the cable and install the nut. Align the lever and sensor holes, tighten the screws. Follow the removal steps in reverse to complete. Check the transmission and indicator operation.