2018 Chevrolet Tahoe SSV, Gas/EthanolFACTORY OEM SERVICE PROCEDURE

Backup Alarm Replacement

Fig 1: Backup Alarm
GM3639156Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Lower the spare tire enough to gain access to the alarm secured to the frame. Refer to Spare Wheel Hoist Replacement .
1 Backup Alarm Fastener (Qty: 2)
CAUTION:

Refer to Fastener Caution .


Tighten 
12 N.m (106 lb in)
2 Backup Alarm

Procedure

  1. Disconnect the electrical connection.
  2. Disconnect integral alarm lead from frame in two places.
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.

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.

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.