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.
2001 Pontiac Aztek Base, FWDFACTORY OEM SERVICE PROCEDURE
Spark Plugs
SPARK PLUG TYPE
| Application | Type | Part No. |
|---|---|---|
| 2.0L & 2.5L | Denso | SK16PR11 |
| 2.2L | AC | 41-948 |
| 3.4L | AC | 41-940 |
| 4.3L | AC | R41-932 |
| 4.8L, 5.3L & 6.0L | GM | 25171803 |
| 5.0L & 5.7L | AC | 41-952 |
| 8.1L | Denso | TJ14R-P15 |
SPARK PLUG SPECIFICATIONS
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|---|---|
| 2.0L & 2.5L | .039-.043 (1.0-1.1) | 18 (25) |
| 2.2L | .040 (1.02) | 13 (18) |
| 8.1L | .060 (1.52) | 15 (20) |
| All Others | .060 in. (1.52 mm)/ | 11 (15) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.