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The write-ups I’ve seen have never mentioned the need to disconnect AC lines during heater core replacement like the Mazda Workshop Manual stated? Heater Core If your replacement OEM FL-22 coolant is newer than Apr. 1, 2019, you may be fine but the replacement schedule is now 60,000 miles / 5...

So the problem is the FL-22 coolant from factory, not the heater core itself. Based on the latest TSB posted above, you won’t escape this potential problem unless your CX-5 isn’t in the stated range. Looks like we‘d better flush out our factory FL-22 coolant earlier than scheduled 120,000...

Can’t blame you. I had similar experience on my previous VW Passat and I’ll never buy any more VW’s even though I’d bought several before. Honestly you can take a loss and either sell or trade your 2021 CX-5 with a 2.5T anytime you prefer right now and get a different car. It won’t matter if...

This valve stem seal replacement job on the 2.5T isn’t easy even with the special tools designed to eliminate head removal. You can go through the repair steps in the TSB and see how complicated the job is. The TSB also stated that: “This repair can only be performed by Senior and Master...

If I remember it correctly, the warranty ends the end of the purchase month. So if you bought the CX-5 in May 2019, the power train warranty should end on 5/31/2024. Call MNAO to verify.

I couldn’t agree with you more!

Your Powertrain warranty will expire at the end of this month! Take your CX-5 in to diagnose the noise problem.

Since you have an AWD, and the noise happens only between 35 ~ 45 mph, my guess is either the front input bearing or driver-side output drive shaft bearing on rear differential, or the drive-side rear wheel bearing. High pressure fuel pump noise will be steady at any speed. Your 2019 CX-5...

What year and what mileage of your CX-5? Is it an AWD? Your wife thinks the noise is coming from the area behind drivers seat, but in front of rear wheel. And it’s a ‘chirping sound’. The high-pressure fuel pump inside the fuel tank is near that area. You wife could hear the pump noise if...

If you’ve ever had Low Oil Level Warning Light on and message displayed, you can talk to Mazda dealer to replace the valve stem seals under warranty based on the TSB. The DTC P250F code would be registered when the Low Oil Level Warning Light was on. You don’t have to wait and use class...

Yes Honda quality used to be good. My 1998 Honda CR-V with 192K miles is like your 08 Civic, right now it uses ⅓ quart of oil for each 5,000-mile oil change. And I’m using cheap conventional Castrol GTX oil since new. The 2.5L NA in my 2016 CX-5 with only 53K miles uses about ½ quart of...

Yes Mazda’s CPO warranty is nice. Like others has said above, there’s no change schedule on ATF、gear oil in front transfer case and rear differential. You just have to initiate those changes by yourself. Rod bearing recall on your 18 Acura MDX? On its 3.5L V6? How this can be a “safety”...

Ha, I always thought the front bumpers are different between 13~15 and 16~16.5 CX-5’s ⋯

Hi Moderator, the said link for the TSB 01-011/22 isn’t there. You said you saved a copy and can you repost? I’d like to find out the difference between TSB 01-011/22 and the latest revision TSB 01-003/23.

If your 2021 CX-5 2.5T has had “Low Oil Level Warning Light” on, you can go to your Mazda dealer with a current TSB (the 3rd revision) to get the exhaust valve stem seals replaced under warranty. This should be covered under 5-year / 60,000-mile powertrain warranty. You don’t need any “oil...

Your 2021 Grand Touring with Premium has 2.5L NA with cylinder deactivation. If you plan to keep this CX-5 long, watch the ill effects caused by CD. 2.5L NA with CD comes with modified cylinder head and lock-up clutch in torque converter from original SkyActiv-G 2.5L and 6-speed auto to...

I don’t believe Mazda “intentionally” used inferior seals on the 2.5T for MY 2021. But apparently they used “different” exhaust valve stem seals from previous years either by different vender for lower price, or for whatever the reason. Mazda failed on quality control for this, and later the...

Actually it isn’t just the CX-5, it’s those 2.5T’s used on the CX-9 since 2016 MY started to expose the head cracking problem after 3 ~ 4 years. Mazda6 has the 2.5T too which of course suffered the same problem. The fix to replace the cracked head actually is not much higher than replacing the...