By Core Brake Parts Tech Team — Circleville, OH warehouse
Short answer: The Pontiac G6 uses vented front discs near 11.65 in (296 mm) on all trims and a 5x110mm 5-lug hub. Rear brakes vary: base trims often run drums while GT, GTP, and GXP get solid rear discs. Confirm your rear setup by trim and VIN first. This guide walks through the exact diagnostic steps, replacement thresholds, product comparisons, and cost breakdown so you can decide with confidence whether to DIY or take it to a shop.
Direct experience note: we ship these parts daily from our Circleville, OH warehouse to customers across the country. The picks in this guide reflect what fits, what lasts, and what our repeat-buyer mechanics come back for.
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Shop Brake Pads & Kits →What to Know About Pontiac G6 Brake Replacement
Understanding Pontiac G6 brake replacement matters because it directly affects stopping distance, brake pedal feel, and how often you replace consumables. Getting it right the first time saves both money and follow-up shop visits.
- The Pontiac G6 (2005-2010) rides on GM's Epsilon platform as a midsize sedan, coupe, or convertible.
- All G6 trims use a 5-lug hub with a 5x110mm bolt pattern and M12x1.5 studs.
- Front brakes are vented discs roughly 11.65 in (296 mm) across on every trim.
- Rear setup varies: base trims often use drums, while GT, GTP, and GXP use solid rear discs.
- Rear-disc trims use a drum-in-hat parking brake; drum trims use the shoes themselves.
- Always confirm your exact rear configuration by trim and VIN before ordering parts.
Spec Chart by Vehicle Class
| Vehicle class | Pad thickness | Rotor thickness |
|---|---|---|
| Front rotors | Vented disc, ~11.65 in (296 mm) | 5x110mm bolt pattern, all trims |
| Rear brakes | Drum (base) or solid disc ~10.6 in | Varies by trim; verify before buying |
| Lug count / pattern | 5-lug, 5x110mm, M12x1.5 studs | Same across 2005-2010 |
| Parking brake | Cable, drum-in-hat on rear disc | Shoe-in-drum on drum-brake trims |
| Lug nut torque | ~100 lb-ft (140 Nm) | Confirm in factory service manual |
How to Diagnose or Replace
- Loosen lug nuts, lift the car on jack stands, then remove the wheels to access the brakes.
- Inspect pad thickness and replace pads worn to about 3 mm (2/32 inch) or less.
- Unbolt the caliper, hang it with wire, and never let it dangle by the hose.
- Compress the caliper piston with a C-clamp before fitting the fresh front pads.
- Replace rotors that are scored, warped, or below the minimum thickness stamped on the hub.
- Reassemble, torque lug nuts to about 100 lb-ft, then pump the pedal firm before driving.
- Bed in new pads with several gentle stops, then recheck the fluid level and pedal feel.
Once diagnosis is complete, order the exact replacement parts for your vehicle - fitment matters. Related Pontiac G6 brake replacement products are listed in the next section.
Recommended Parts and Where to Buy
Every product below is in stock at our Circleville, OH warehouse and ships same-day when ordered before 2 PM Eastern. Free shipping on orders over $75.
If your exact vehicle is not listed, use the site search or filter the full brake parts collection by year and make.
Cost Breakdown - DIY vs Shop
| Job | DIY parts only | Shop parts and labor |
|---|---|---|
| Front pads + rotors | $90-210 DIY parts | $250-450 at a shop |
| Rear pads + discs (disc trims) | $80-190 DIY parts | $220-420 at a shop |
| Rear shoes + drums (drum trims) | $60-150 DIY parts | $200-380 at a shop |
| Full 4-wheel brake job | $150-350 DIY parts | $500-900 at a shop |
DIY savings scale with vehicle size and job complexity. A full-size truck brake job saves $450-700 in labor. For most passenger cars, plan on 90-120 minutes per axle for pads only, 2-3 hours for pads plus rotors.
Install Tips - Where Most DIYers Go Wrong
- Confirm the rear setup, drum versus disc, by trim and VIN before ordering, since both exist on the G6.
- Rear disc calipers need a wind-back tool, not a C-clamp, because the piston screws inward.
- Apply anti-seize to the hub face and brake grease to slide pins to prevent stuck rotors and noise.
Frequently Asked Questions
What's the short answer on Pontiac G6 brake replacement?
The Pontiac G6 uses vented front discs near 11.65 in (296 mm) on all trims and a 5x110mm 5-lug hub. Rear brakes vary: base trims often run drums while GT, GTP, and GXP get solid rear discs. Confirm your rear setup by trim and VIN first.
How much does Pontiac G6 brake replacement cost?
It depends on your vehicle and how much you replace. For example, front pads + rotors runs about $90-210 DIY parts in parts for a DIY job, or $250-450 at a shop at a shop with labor included. The full cost breakdown is in the table above.
What should I check first?
Key things to check: The Pontiac G6 (2005-2010) rides on GM's Epsilon platform as a midsize sedan, coupe, or convertible; All G6 trims use a 5-lug hub with a 5x110mm bolt pattern and M12x1.5 studs.
Can I do this job myself?
Many DIYers can with basic tools. The first steps are: Loosen lug nuts, lift the car on jack stands, then remove the wheels to access the brakes; Inspect pad thickness and replace pads worn to about 3 mm (2/32 inch) or less; Unbolt the caliper, hang it with wire, and never let it dangle by the hose. The complete step-by-step is above.
Key Takeaways
- The Pontiac G6 uses vented front discs near 11.65 in (296 mm) on all trims and a 5x110mm 5-lug hub. Rear brakes vary: base trims often run drums while GT, GTP, and GXP get solid rear discs. Confirm your rear setup by trim and VIN first.
- Measure friction material and rotor thickness at every tire rotation - catches wear before it becomes damage.
- Replace pads at 3 mm; below 2 mm is unsafe.
- Loaded calipers (with brackets, pads, and hoses) save 1-1.5 hours of labor per side over bare calipers.
- Bed new pads properly with 8-10 medium stops from 40 to 10 mph.
- Free shipping on orders over $75; same-day shipping on in-stock orders before 2 PM Eastern.
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