If your KitchenAid Artisan Series 5 Quart Tilt Head Stand Mixer is leaking oil, it can be a sign of worn or damaged internal parts. While this issue can seem intimidating, with the right tools and careful steps, you can troubleshoot and often fix the problem yourself. Regular maintenance and understanding common causes will help prolong your mixer’s lifespan and keep it performing at its best.
In this guide, we’ll walk you through the necessary steps to identify the source of the leak, safely disassemble your mixer, and address the problem effectively. Remember, safety first: always unplug your mixer before starting any repair work.
Key Takeaways
| Identify the leak source | Determine if oil is leaking from the gear housing, motor, or other parts. |
| Disassemble carefully | Remove the top cover and internal components with caution. |
| Inspect and replace parts | Check for worn seals, gaskets, or gear issues and replace as needed. |
| Reassemble properly | Ensure all components are correctly installed to prevent future leaks. |
| Maintenance tips | Regular inspection and lubrication can prevent leaks. |

KitchenAid Artisan, 5-Qt Tilt Head Stand Mixer, KSM150PS, Milkshake
Built to take it all on with the durable and built-to-last metal construction, and 59 touchpoints around the...
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Identify the Source of the Oil Leak
- Unplug the mixer from the power outlet and remove the attachment hub cover to access internal components.
- Carefully tilt the mixer head back and remove the top cover by unscrewing the screws around the base.
- Check around the gear housing and internal seals for signs of oil or grease leakage.
- Observe whether the oil is coming from the gear case, motor, or other internal parts. Commonly, leaks occur around the gear housing or seals.

KitchenAid KSMMGA Food Grinder Attachment for All KitchenAid Stand Mixers
Connect to any household KitchenAid Stand Mixer power hub and use the power of the motor to run...
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Disassemble the Mixer Safely
- Wear gloves and safety glasses to protect yourself from small parts and residual oil.
- Loosen and remove the four screws holding the top cover, then lift the cover away carefully.
- Note the position of internal components, including the gear assembly and seals.
- Inspect the gear case and internal seals for cracks, wear, or damage.
Inspect and Replace Damaged Components
- Identify worn or cracked seals, gaskets, or gears that may be causing the leak.
- Order replacement parts compatible with your model (e.g., seal kits, gear assemblies).
- Clean all parts thoroughly before installing new seals or gears.
- Replace damaged seals and ensure they fit snugly without gaps.
Reassemble and Test the Mixer
- Carefully reattach the gear housing and secure the cover with screws.
- Reinstall the top cover and tighten all screws securely.
- Reconnect the attachment hub cover.
- Plug in the mixer and run it at low speed to check for leaks.
- Observe the gear housing for any signs of oil seeping out during operation.
Maintenance Tips to Prevent Future Leaks
- Regularly inspect the gear housing and seals for signs of wear or leaks.
- Lubricate gears with food-grade grease recommended by KitchenAid if applicable.
- Avoid overloading the mixer, which can strain internal components.
- Perform periodic cleaning to keep internal parts free of debris and old grease.
The Products in This Guide

KitchenAid Artisan Series 5 Quart Tilt Head Stand Mixer
- ✔ Weight: 26 lbs
- ✔ Dimensions: 14 x 8 x 14 inches
- ✔ Warranty: 1 year

KitchenAid Stand Mixer Attachment
- ✔ Weight: 4.5 lbs
- ✔ Dimensions: 7 x 6 x 9 inches
- ✔ Warranty: N/A
KitchenAid Artisan Series 5 Quart Tilt Head Stand Mixer

The KitchenAid Artisan Series 5 Quart Tilt Head Stand Mixer is built with durable metal construction and features 59 touchpoints for excellent mixing performance. Its tilt-head design provides easy access, making cleaning and maintenance straightforward. While it is generally reliable, occasional oil leaks can occur due to worn seals or internal components, which can often be fixed with proper troubleshooting.
Pros:
- Sturdy metal construction
- Easy tilt-head access
- Multiple color options
- Large 5-quart bowl
- Powerful 10-speed motor
Cons:
- Occasional oil leaks
- Requires disassembly for repairs
- Not suitable for heavy industrial use
Best for: Home bakers and serious culinary enthusiasts who want a reliable, stylish mixer.
Not ideal for: Commercial kitchens or heavy-duty professional environments.
Bottom line: A versatile, durable mixer with some maintenance needed for oil leaks.
KitchenAid Stand Mixer Attachment

This KitchenAid Metal Food Grinder attachment expands your mixer’s capabilities, allowing you to grind fresh meat, vegetables, and more. It’s made of durable metal and connects easily to your mixer’s power hub, making it a valuable accessory for home cooks who want to diversify their recipes.
Pros:
- Sturdy metal construction
- Multiple grinding plates
- Easy to attach
- Large food tray
Cons:
- Separate purchase from mixer
- Requires refrigerator-chilled ingredients
- Cleaning can be tedious
Best for: Creating fresh ground foods and sausages at home.
Not ideal for: Heavy-duty commercial meat processing.
Bottom line: A robust attachment that enhances your mixer’s versatility for fresh grinding.
Frequently Asked Questions
Why is my KitchenAid mixer leaking oil?
Leakage typically occurs due to worn or damaged seals, gaskets, or internal gear components. Over time, these parts can deteriorate, especially with frequent use or heavy loads.
Can I fix the oil leak myself?
Yes, with proper tools and careful disassembly, you can replace worn seals or damaged gears. However, always follow safety precautions and consult your model’s repair guide.
What parts should I inspect or replace?
Inspect seals, gaskets, and gear components for cracks, wear, or damage. Replacing these parts usually resolves oil leaks and restores proper functioning.
Is it safe to run the mixer after fixing the leak?
Yes, but ensure all parts are properly reassembled and secured. Run a test at low speed first to confirm the leak has stopped before normal use.
How often should I perform maintenance on my mixer?
Regularly inspect internal components every 6-12 months, especially if you use the mixer frequently. Keep seals lubricated and clean internal parts to prevent leaks.
Keep Your KitchenAid Mixer Running Smoothly
While a leaking KitchenAid Artisan Stand Mixer can be concerning, most issues stem from worn seals or internal parts that are repairable. By carefully diagnosing the source of the leak, disassembling the unit with safety precautions, and replacing damaged components, you can extend your mixer’s life and enjoy consistent performance. Regular maintenance and inspections will help you catch problems early and keep your kitchen running efficiently for years to come.
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