CVT fill plug pops out, plugged vent?

• Compressed air through vent, reinstalled.
• Fill plug still popped out.
• Cleaned vent with spray carb cleaner, then a can of spray brake cleaner.
• Next, re-installed vent cap.
• Fill plug stayed in!

2014 EX sedan 1.8 CVT

OF

When changing out the transaxle fluid it’s probably a good idea to change the filter too. It’s inside the transmission pan. You’ll need a new gasket too. I wonder if the plug is popping out because the filter is clogged and bypassing.

Tyler55 said:

I wonder if the plug is popping out because the filter is clogged and bypassing.

Click to expand...

Has nothing to do with a filter loaded with contaminants.

OF

Most new trans filters are non serviceable. Dropping the pan is a waste of time. Just drain and fill

These filters are huge in the trans oil pan. There’s no way it would be clogged unless the trans failed already and sent metal fragments to the filter and now it’s clogged. Then you’ll hear the trans pump whine because it’s dry.

The vent cap not there will not introduce enough contaminants to clog the filter.


Sent from my iPhone 13 Pro while on the toilet.

Just checking in.

Just over 75,000 miles on my 2015 Civic Lx. I’m driving a lot less now since I started working hybrid when Covid hit.
Anyway, I just completed my third DIY CVT drain and fill.
Still running smooth, no issues.
Also be sure to inspect your vent tube on a regular basis. Mine was clogged up this time. And fill plug is secured with a zip tie just in case.


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