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It’ll continue to extend the coverage to the newer MY’s as the time goes on, as Mazda has decided NOT to update the cylinder head for the 2.5L NA with cylinder deactivation since 2018 MY for various reasons. The cylinder head is still the same since 2018, the possibility of cracking will always...

Yes it is based on your video. The oil leak from cracked head is from the back side of the cylinder head usually between cylinder #2 and #3. Just show the video to the Mazda dealer, and ask them to replace the head based on the Service Alert.

But the aftermarket air / cabin filters at Amazon are also more expensive than a couple of years ago!

Have you shopped anything else lately? Almost everything goes up by not 5% or 10% , but 50% or 2X! And wait until the tariff goes into fully effect, the price for car parts will be even much higher! 😕

The Fumoto website stated the valve end won’t stick into the oil pan for CX-5 back then for my 2016 CX-5. To me they made the false claim back then. Can’t trust them anymore. You can measure the thread length between the valve and the female thread of the drain plug on the oil pan. Some...

I also don’t like the Fumoto valve. In addition to slower drain, its end sticks into the oil pan too much and prevents more complete oil drain. Ask me how I know? Previous moderator Chris_Top_Her took his oil pan down and saw the case with a Fumoto valve although the Fumoto valve website...

OP was comparing a 1st-gen 2016 CX-5 with 2.5L NA and a 2nd-gen 2019 CX-5 with 2.5L NA with CD. He feels the 2016 drives much smoother. This has nothing to do with the AT used on the 2.5T. Why the difference? Because the AT has been modified for the added CD on the 2.5L NA. And the...

Huh? No, the TC change for CD changed the shift behavior. It actually makes it worse.

IMO it’s all because of the CD. The AT has different design on TC and several other components to fight against vibration caused by CD. See this TSB and hope whoever who has the 2.5L NA with CD that their AT won’t develop this chirp noise problem due to premature wear-out of the single clutch...

Actually once you confirmed that the ATF level is in the dot area of the dipstick by following the factory instruction, I imagine you can put back in the same amount you’d drained with no problems thereafter for the ATF drain-and-fill.

Used to recommend getting the Intestate Group 35 battery at Costco for the best value. But Costco has increased the price from $78.99 with 36-month replacement / 60-month prorated warranty before pandemic, to $123.99 with only 36-month prorated warranty. Not worth it now.

Not much, other than Mazda has switched the ATF type from FZ to A7 since 2024, and they’re NOT compatible! 2024 CX-5 Getting New Transmission Fluid

The only problem by doing this way is there’re plenty of reports that they found Mazda under-filled the ATF from factory. You could have under-filled the ATF if you put back in the same amount you’d drained. Follow the instruction and check the ATF level with the dipstick.

For Mazda it’s kind of early to me. But in your situation with many coarse roads, the rubber boot could get damaged by the flying rock or debris in Colombia. Look at the brighter side, at least the shop is willing to replace only the rubber boot (hopefully it’s from OEM) and keep the...

In the TSB Mazda had admitted the design of the original switchable HLA is faulty which caused air bubbles in the oil passage. They had redesigned the switchable HLA to increase the oil supply to eliminate the problem. This has nothing to do with prior maintenance.

I agree. With the estimate of 3.5 dealer labor hours, I’d believe it can be a project for many capable DIYers.

The TSB attached in post #77 has a parts list and the labor hours the Mazda dealer can charge to MNAO. The labor hour is 3.5 hours for CX-5 which is at least $200 x 3.5 = $700. The revised switchable HLA part # PYFA-12-1A0A has the MSRP $90.52. You may need up to 8 pieces = $724.16. With...

Then it won’t be able to increase the oil supply to original switchable HLA oil passage to reduce air bubbles.

For OP, switching to 5W-30 oil is a cheap way to try. But based on Mazda’s TSB they increased oil supply in modified switchable HLA’s oil passage to reduce air bubbles. Thicker 5W-30 oil may actually achieve opposite result.

No, it isn’t location dependent but the faulty design of the switchable HLAs which IMO is related to the PCM update to fix the early rocker arm falling problem on cylinder deactivation. If you read the entire thread posted above, and the early Service Alerts and TSBs, you’ll see the early fix...