Grease Monkey Auto Promo Codes & Coupons February 2026

The WEOR15 promo code, which offers 15% off additional services, works only in-store at participating Grease Monkey locations, not online. Grease Monkey primarily handles promo code redemption via in-person visits at their service centers.

Grease Monkey's website (oilexgreasemonkey.com) focuses on service scheduling without code entry fields—codes are designed for on-site use only, per their terms limiting to one per transaction at U.S. locations in states like CO, AZ, and TX.

To redeem the WEOR15 code:

1. Schedule your service via oilexgreasemonkey.com or call ahead
2. Arrive at your appointment and mention WEOR15 when receiving your estimate
3. Show the code on your phone screen to the technician—no printing needed
4. Confirm the discount is applied before finalizing payment

The code is valid through May 2025 at participating locations, but not all Grease Monkey centers participate in every promotion.

Pro tip: Call your local Grease Monkey 24 hours before your appointment to verify WEOR15 participation and secure your slot, especially during peak discount periods.

Grease Monkey's policy strictly limits customers to one coupon per transaction. When you try to use WEOR15 (15% off additional services) alongside a fleet discount, the system triggers the "coupon cannot be combined with other offers" error and will only honor the first or highest value discount.

Fleet discounts (like AAA's 10% off labor) are treated as "other offers" according to Grease Monkey's terms on their special offers page, making them incompatible with promotional codes like WEOR15.

To fix this issue:

1. Remove any fleet code from your account if it's linked
2. Enter only WEOR15 at the service desk
3. Ask the technician to apply whichever single discount provides the better value
4. Confirm the discount before finalizing payment

This limitation applies to all transactions at participating U.S. locations only.

Pro tip: Compare potential savings before your visit (e.g., WEOR15 on a $100 service saves $15 vs. your fleet discount) and choose the one that offers the greater benefit. Consider signing up for Grease Monkey's SMS alerts for exclusive single-code promotions.

You can redeem the WETR10 code ($10 off tire rotation, expires 12/31/2025) by simply showing it on your phone to the technician at payment—no printing required at participating Grease Monkey locations.

Grease Monkey explicitly confirms that digital display works for SMS/MMS coupons, eliminating the hassle of paper printouts.

To redeem the WETR10 code:

1. Verify local participation by calling your nearby Grease Monkey location (especially in CO/AZ/TX areas)
2. Book your appointment via their website or walk in
3. At payment time, open the code screenshot or text message and show your phone to the technician
4. Confirm the discount applies before finalizing your transaction

Restrictions include: in-store redemption only, one coupon per transaction, not valid for fleet services or oil changes, and participation varies by location.

Pro tip: Screenshot the WETR10 code now and text it to yourself for easy access. Try redeeming on slower weekdays to avoid rush-hour complications.

Yes, attempting to use COOL20 ($20 off AC recharge, expires 12/31/2025) online often results in an "invalid code" message or no entry field at all. This happens because the code is designed for in-store redemption only at participating Grease Monkey locations, not for online checkout at oilexgreasemonkey.com.

Grease Monkey's online scheduling system lacks promo code fields for location-specific offers like COOL20, which requires technician verification for freon/lubricant services.

To properly use the COOL20 code:

1. Skip trying to enter the code during online scheduling
2. Make your appointment as normal
3. Arrive at your scheduled time and show COOL20 on your phone during the estimate or payment process
4. The technician will apply the discount if your location participates in the promotion

This offer is limited to participating locations only (check by phone before your visit), cannot be combined with other offers, and availability may be limited during summer peak seasons through 2025.

Pro tip: Consider pairing your COOL20 discount with a full oil change visit for maximum value, but confirm both codes' local validity first to ensure you can use them during separate transactions at the same location.

Grease Monkey Auto may occasionally offer discount codes, but currently, there are none available. However, customers can still save money by taking advantage of other promotional offers or sales available on the website, or by using credit card points to make purchases.

On average, Grease Monkey Auto provides 0.1 discount coupons each month. Based on historical data, the average time between Grease Monkey Auto coupon releases is approximately 300 days. However, this is subject to change and may depend on various factors such as seasonal promotions, product launches, or other marketing initiatives. To stay informed about upcoming discounts and promotions, we recommend checking Grease Monkey Auto website regularly, subscribing to their email newsletter, and following them on social media.

SimplyCodes is the #1 provider of discount codes for your favorite retailers, such as Grease Monkey Auto. As the only crowdsourced platform for coupon codes, we have all the latest and accurate codes for over 200,000 stores. Save time and avoid expired codes by checking SimplyCodes for the latest Grease Monkey Auto discount codes.

As of today, Grease Monkey Auto has 6 active coupons and offers.

As of Feb 21, 2026, it does not appear that Grease Monkey Auto has discounts for Black Friday or Cyber Monday. We regularly check for Grease Monkey Auto's Black Friday and Cyber Monday discounts, so be sure to check back on this page to find the latest cyber week deals.