General Motors — Manifold Absolute Pressure (MAP) Sensor Replacement
Repair & overhaul
From a General Motors service manual — check it applies to your exact model before use.
Before you start
- The MAP sensor is an electrical component; do not soak in any liquid cleaner or solvent
Procedure
- Disconnect negative battery cable
- Disconnect MAP sensor electrical connector
- Remove MAP sensor attaching screws
- Remove MAP sensor with seal
- Install new seal on MAP sensor
- Install MAP sensor
- Install MAP sensor attaching screws; torque to 5-7 N·m (44-62 lb.in.)
- Connect MAP sensor electrical connector
- Connect negative battery cable
Specs & values
- MAP Sensor Attaching Screws: 5-7 N·m (44-62 lb.in.)
Source: General Motors service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.