Mazda MAZDA3, MAZDA6 Recall R/2019/218: Hydraulic Valve Clearance Adjuster May Operate Incorrectly, Who Is Affected And What To Do
- Low
- How serious
- 29 Jul 2019
- Launched
- 2,252
- vehicles in the UK
- AK038A
- Manufacturer’s campaign code
Mazda recalled MAZDA3, MAZDA6 vehicles built between 26 March 2018 and 13 May 2019. The software controlling the hydraulic valve clearance adjuster may operate incorrectly. The dealer will reprogram the system with improved hydraulic valve adjustment control software. You won't usually pay for it.1
What’s Wrong
The software controlling the hydraulic valve clearance adjuster may operate incorrectly.
DVSA's Original Wording
Concern: HYDRAULIC VALVE CLEARANCE ADJUSTER MAY OPERATE INCORRECTLY Defect: The software controlling the hydraulic valve clearance adjuster may operate incorrectly. Remedy: Reprogram the system with improved hydraulic valve adjustment control software.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: hydraulic valve clearance adjuster may operate incorrectly.
The Fix
The dealer will reprogram the system with improved hydraulic valve adjustment control software. The fix is a software update, which usually takes under an hour at the dealer.
Are You Affected?
MAZDA3, MAZDA6 built between 26 March 2018 and 13 May 2019 may be included. Mazda estimates 2,252 vehicles in the UK. Enter your registration to check, then confirm by VIN with Mazda, because not every car in the date range may be included.
Which Car Is It?
Choose the make and model so we can match recalls to your car.
What To Do Now
- Check your car by registration above, then by VIN with Mazda.
- Book with any franchised Mazda dealer, quoting the campaign code AK038A or the DVSA reference R/2019/218. See how to get a Mazda recall fixed.
- Follow the letter's instructions until the repair is done. See can you drive a car with a recall?.
Related Recalls
| Launched | Vehicle and fault | Severity | Reference |
|---|---|---|---|
| CX-30, MAZDA3On affected vehicles the images from the rear view / 360 cameras may not display | Low | R/2023/312 | |
| CX-3, CX-5, MAZDA2, MAZDA3 and 2 moreLow pressure fuel pump impeller might become deformed | Urgent | R/2021/435 | |
| MAZDA6, RX-8Fuel may leak from fuel pump rings | Urgent | R/2021/411 | |
| MAZDA3The plastic logo on the steering wheel centre may shatter and project fragments into the vehicle interior during an air bag deployment | Urgent | R/2021/273 | |
| MAZDA3The engine may stall or fail to restart in some driving situations | Urgent | R/2020/010 |
This is one of 103 Mazda recalls in DVSA’s data. The Mazda recall launched before it was R/2019/187 on 25 Jul 2019, for soot may accumulate around the intake shutter valve on the inlet side of the engine. The one launched after it was R/2019/219 on 29 Jul 2019, for wheel nuts may loosen. You can also see every Mazda recall, all recalls launched in 2019 and software recalls across every make.
Source: DVSA recall R/2019/218, launched 29 July 2019. Data updated 15 October 2026. How we grade urgency.
Sources
- The Code does not itself say repairs are free. GOV.UK guidance says "You will not usually have to pay for any repairs or parts under a safety recall." gov.uk Checked 15 Oct 2026.