Torque for knock sensor

113,000 MILES • 1.8L • 4 CYL • AUTOMATIC
Avatar
SHARON HOWARD
  • MEMBER
  • 1 POST
Do you have to torque the bolts when putting the new knock sensor back on?
Oct 16, 2019 at 11:27 PM
Avatar
BMDOUBLE
  • ✓Experienced Mechanic
  • 1,139 POSTS
Here is the official procedure with torque specs:
Knock Sensor Replacement

Removal Procedure

1. Open the hood.

2. Disconnect the negative cable from the battery. Refer to Battery Negative Cable Disconnection and Connection See: Negative > Removal and Replacement > Battery Negative Cable Disconnection and Connection.

3. Remove the 2 intake manifold bracket bolts (2, 3).

4. Unclip the wiring harness.

5. Remove the intake manifold bracket (1).

6. Remove the sensor bolt (1).

7. Disconnect the wiring harness plug.

8. Remove the knock sensor (2) from the bracket (3).

Installation Procedure


1. Install the knock sensor (2) to the bracket (3).

Caution:
Refer to Fastener Caution See: Vehicle > Technician Safety Information > Fastener Caution

2. Install the sensor bolt (1) and tighten to 20 Nm (15 lb ft).

3. Connect the wiring harness plug.

4. Install the intake manifold bracket (1).

5. Clip in the wiring harness.

6. Install the 2 intake manifold bracket bolts (2, 3) and tighten to 8 Nm (71 lb in).

7. Connect the negative cable to the battery. Refer to Battery Negative Cable Disconnection and Connection See: Negative > Removal and Replacement > Battery Negative Cable Disconnection and Connection.

8. Close the hood.
Oct 17, 2019 at 1:45 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle