Pontiac Tempest Trunk Lock Guide for 1971-1991 Models
Having trouble with your Pontiac Tempest trunk lock? This guide will help you identify the right part and fix common issues.
- First, identify if you have a 1971-72 LeMans-body or a 1987-91 Canadian Corsica-body Tempest, as the parts are different.
- Common failure symptoms include a stuck key, a latch that won't catch, or the key turning without opening the trunk.
- Replacement is a simple DIY job for most owners, typically requiring only basic hand tools and less than an hour of time.
- Aftermarket brands like Standard Ignition offer reliable, high-quality replacements, while value brands also provide a functional, lower-cost solution.
Is Your Trunk Lock Failing?
A failing trunk lock on a Pontiac Tempest is usually easy to spot. You might find the key is hard to insert or turn, or it turns but nothing happens. Sometimes the lock gets stuck, and you can't open or close the trunk at all. This can be caused by simple wear and tear over decades, rust, or a bent latch from a minor impact. If the latch mechanism is simply stuck in the closed position, you may be able to unlatch it with a screwdriver to get the trunk open for replacement.
Which Pontiac Tempest Do You Own?
The name "Pontiac Tempest" was used on two very different cars during the 1971-1991 period, which can cause confusion when buying parts. It is critical to know which version you have.
- 1971-1972 A-Body: After 1970, the classic Tempest name was phased out and replaced by the T-37 and then simply the LeMans. If you have a 1971 or 1972 model, it is likely a Pontiac LeMans, which is a mid-size, rear-wheel-drive car built on the GM A-body platform. Parts for these cars are often grouped with the GTO and LeMans.
- 1987-1991 L-Body (Canada Only): Pontiac revived the Tempest name for the Canadian market from 1987 to 1991. This version was a front-wheel-drive compact sedan that was a rebadged version of the Chevrolet Corsica. 🎬 Learn more about the rare Canadian L-Body Pontiac Tempest. If you have one of these, you will often find that parts for a Chevy Corsica of the same year are a direct fit.
Always check the part's specific fitment notes to ensure it matches your exact year and model, whether it's a LeMans-style body or the later Corsica-style body.
Choosing the Right Aftermarket Trunk Lock
For a vehicle of this age, new Original Equipment Manufacturer (OEM) parts are typically unavailable. Aftermarket parts are your main option. The choice often comes down to a balance of quality and price.
- Standard Ignition: This is a well-regarded aftermarket brand with a long history. They are known for making parts that meet or exceed original specifications. For a part you rely on for security, like a trunk lock, choosing a reputable brand like Standard Ignition ensures better materials and a more precise fit.
- Replacement Brand: This is a value-oriented option. These parts are designed to be a direct fit and will restore function at a lower cost. For a simple mechanical part like a trunk lock, a "Replacement" branded part is often a perfectly adequate solution to get your trunk locking securely again.
Pro Tip: Before you replace the entire lock, spray a good penetrating lubricant like WD-40 into the key cylinder. Let it sit, then gently try the key again. Sometimes, decades of grime and disuse are the only problem.
| Brand Tier | Our Price Range |
|---|---|
| Value (e.g., Replacement) | $14.75 - $22.00 |
| Standard (e.g., Standard Ignition) | $23.00 - $31.10 |
Frequently Asked Questions (FAQ)
Will a new lock come with keys?
Yes, new aftermarket trunk lock cylinders almost always come with a new set of keys. You will not be able to use your original ignition key. If you want one key for all locks, a locksmith may be able to re-key the new cylinder to match your old key, depending on the lock's design.
Are there any recalls for the Pontiac Tempest trunk lock?
No, searches of the National Highway Traffic Safety Administration (NHTSA) database show no recalls for the trunk lock on either the A-body (LeMans) or L-body (Tempest/Corsica) platforms.
What if my trunk won't close at all?
If your trunk lid just bounces when you try to close it, the latch mechanism is likely stuck in the closed position. Look at the latch on the body of the car. You should see a claw-like mechanism. Use a screwdriver or a similar tool to pry it into the open position. After doing this, the trunk should latch when you close it.
How hard is it to replace a trunk lock?
For most classic GM cars, replacing the trunk lock cylinder is a straightforward job. It is usually held in place by a small screw and a retainer clip. You will need basic hand tools to access it from inside the trunk. The entire process typically takes less than an hour.
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Technical Specifications
Fitment is vehicle-specific. The lock is a fully mechanical assembly including a key cylinder and latch mechanism. Aftermarket parts are designed to meet or exceed original factory specifications.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.