1996 Pontiac Trans Sport Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1996 Pontiac Trans Sport, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x115 |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 45 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1996 Trans Sport — Year-Specific Fitment Context
The 1996 Pontiac Trans Sport is in year 5 of 7 using the 5x115 pattern (1992–1998). Wheels from any 1992–1998 Pontiac Trans Sport are cross-compatible with the 1996 model.
Pontiac Trans Sport Bolt Pattern by Year
The table below shows how the Trans Sport's wheel specifications have changed over the years. The 1996 model year is highlighted.
5x115 Pattern Context
This bolt pattern appears on 498 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x115:
Expert Buying Guide for 1996 Pontiac Trans Sport
For your 1996 Pontiac Trans Sport, the 5x115 bolt pattern and 70.3mm center bore are critical. Aftermarket wheels often have a larger center bore (e.g., 73.1mm), requiring hub-centric rings to prevent vibration and ensure load is on the hub, not the studs. The factory offset is 45mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always use lug nuts with the correct thread pitch (12x1.5) and seat type (conical 60-degree or ball seat as per wheel manufacturer). Improper lug nuts can lead to wheel loosening. Verify that aftermarket wheels are hub-centric or use rings, and check offset carefully to maintain safe handling.
Historical Fitment Data Reference
In our dataset, Pontiac Trans Sport appears from 1992 to 1998 (7 model years). Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 5.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to account for settling.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause vibration and stud failure.
- ✅ If lowering the vehicle, offset may need adjustment to prevent tire-to-fender contact.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
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1996 Pontiac Trans Sport — Frequently Asked Questions
What is the bolt pattern for a 1996 Pontiac Trans Sport?
The 1996 Pontiac Trans Sport uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 45mm.
What other years of Pontiac Trans Sport have the same bolt pattern as the 1996?
The Pontiac Trans Sport uses the 5x115 pattern from 1992 through 1998. Wheels from any of these model years are dimensionally compatible with the 1996, provided the offset and center bore also match.
What is the center bore of a 1996 Pontiac Trans Sport?
The factory center bore (hub bore) for the 1996 Pontiac Trans Sport is 70.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Do 1996 Pontiac Trans Sports use lug bolts or lug nuts?
The 1996 Trans Sport requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
How do I measure the bolt pattern on my 1996 Pontiac?
The 1996 Trans Sport uses a 5x115 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
What is the factory wheel offset for a 1996 Pontiac Trans Sport?
The OEM offset for the 1996 Trans Sport is typically around 45mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
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