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Discussion Starter · #1 ·
Just got a 2019 pilot lx awd. Did some searches and didn't find much. Can anyone tell me the average MM milestones for fluid changes (ATF, transfer case, rear diff)? I found the post that talks about washer sizes, thanks!!!
 

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Discussion Starter · #3 ·
At 13k, have B16 already. Owners manual says DPSF-II 1.92 qt for rear diff, same as my CRV. Transfer assembly calls for Honda Hypoid Gear Oil HGO-1 0.45 qt. Doesn't look like VTM4 to me. Nowhere in the owners manual is VTM4 mentioned.
 

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At 13k, have B16 already. Owners manual says DPSF-II 1.92 qt for rear diff, same as my CRV. Transfer assembly calls for Honda Hypoid Gear Oil HGO-1 0.45 qt. Doesn't look like VTM4 to me. Nowhere in the owners manual is VTM4 mentioned.
Rear differential is part of the 'i-VTM4' (Intelligent VTM4) system.
Transfer and transmission fluid changes aren't required until a '3' code appears.
 

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At 13k, have B16 already. Owners manual says DPSF-II 1.92 qt for rear diff, same as my CRV. Transfer assembly calls for Honda Hypoid Gear Oil HGO-1 0.45 qt. Doesn't look like VTM4 to me. Nowhere in the owners manual is VTM4 mentioned.
VTM-4 Honda fluid was used in previous models of the Pilot and other Honda vehicles for the rear differential. The 3rd generation Pilots (2016-2020) now require the DPSF-II fluid instead and it is even stamped on the rear differential now.

My B-6 rear differential fluid change code popped up around 10500 miles or so. It doesn't need to be changed until the next oil change which on my car should be around 16000-18000 miles. I am at 12000 miles now with 70% oil life.

The code comes up early just to alert you as to what services will be needed at the next oil change, not what has to be done immediately.
 
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Discussion Starter · #7 ·
27000 miles and had code 3 for transmission fluid. Did that and the transfer case. Transmission fluid did not look great, lots of metal on the drain plug, took an entire shop rag to clean it off. Transfer case oil did not need to be changed. It looked brand new. Will do that in two code 3's from now.
 

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27000 miles and had code 3 for transmission fluid. Did that and the transfer case. Transmission fluid did not look great, lots of metal on the drain plug, took an entire shop rag to clean it off. Transfer case oil did not need to be changed. It looked brand new. Will do that in two code 3's from now.
Don't be afraid to do transmission fluid on shorter intervals without resetting the MM for it. The VCM system really aggregates the transmission fluid in these cars, especially if you do a lot of highway cruising. Recommend you 1. disable VCM (with VCM Tuner II or SVCM), 2. change transmission fluids more frequently or switch to a full synthetic like Amsoil, Amalie, or VML that can handle the extra heat, and 3. consider installing an ATF cooler.
 

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Discussion Starter · #10 ·
Don't be afraid to do transmission fluid on shorter intervals without resetting the MM for it. The VCM system really aggregates the transmission fluid in these cars, especially if you do a lot of highway cruising. Recommend you 1. disable VCM (with VCM Tuner II or SVCM), 2. change transmission fluids more frequently or switch to a full synthetic like Amsoil, Amalie, or VML that can handle the extra heat, and 3. consider installing an ATF cooler.
I am using standard DW-1. I had had the ATF cooler since day 1. Changing more often than 27,000 is a bit nuts, this is a family car not an exotic sports car.
 

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I am using standard DW-1. I had had the ATF cooler since day 1. Changing more often than 27,000 is a bit nuts, this is a family car not an exotic sports car.
What can I say, it's a Honda! Tell that to the Gen 2 Odyssey owners that changed their fluid every oil change.

If you have the cooler I'm surprised the fluid was in such bad shape. Do you tow or do a lot of heavy load hauling? Was it just the plug, or did the fluid itself smell burned up too?
 

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Discussion Starter · #12 ·
What can I say, it's a Honda! Tell that to the Gen 2 Odyssey owners that changed their fluid every oil change.

If you have the cooler I'm surprised the fluid was in such bad shape. Do you tow or do a lot of heavy load hauling? Was it just the plug, or did the fluid itself smell burned up too?
Fluid was a little dark, I think the metal was just on the plug. Normal driving, no load.
 

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Don't be afraid to do transmission fluid on shorter intervals without resetting the MM for it. The VCM system really aggregates the transmission fluid in these cars, especially if you do a lot of highway cruising. Recommend you 1. disable VCM (with VCM Tuner II or SVCM), 2. change transmission fluids more frequently or switch to a full synthetic like Amsoil, Amalie, or VML that can handle the extra heat, and 3. consider installing an ATF cooler.
I realize this is a post from several years ago but was wondering if you could add a transmission cooler to a 2021 Pilot Touring 2wd vehicle? I want to add a trailer hitch to my Pilot but was told by a Honda dealership that the ATF cooler is ONLY for the awd Pilot . Wondering if you or anyone else on the forum knows if this atf cooler can be added to my vehicle or if you wouldn’t recommend me doing so . TIA
 

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I realize this is a post from several years ago but was wondering if you could add a transmission cooler to a 2021 Pilot Touring 2wd vehicle? I want to add a trailer hitch to my Pilot but was told by a Honda dealership that the ATF cooler is ONLY for the awd Pilot . Wondering if you or anyone else on the forum knows if this atf cooler can be added to my vehicle or if you wouldn’t recommend me doing so . TIA
Well, the Honda ATF cooler has mounting brackets that only fit AWD models. The FWD Pilots don't have the holes drilled to easily mount the Honda cooler. That said, any independent shop could fabricate some brackets to put on an ATF cooler for you. However, Honda does not increase the stated towing capacity for the FWD model even with the ATF cooler, so if you are planning on towing a medium weight trailer (3-4k lbs) you may be in trouble. The Pilot simply is not a great tow vehicle, unfortunately.

If you are doing this just as a precaution to protect your transmission, the good news is that the 9-speed in the 2021+ models does NOT use the same old crappy DW-1 transmission fluid as the older 6-speeds. The new (synthetic?) fluid in the 9-speed seems to hold up much better to heat, and doesn't break down so easily as the old stuff.
 

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You can pull a trailer with the 2WD, but Honda recommends a max trailer weight of 3500 lbs. Even if you add a cooler I doubt that Honda would consider it capable of any more than 3500 lbs.
We will use our 2018 Highlander to tow and I guess I’ll forget about using our Pilot to tow anything. Our Highlander can tow up to 5,000 lbs ( it’s a Limited Platinum model) so I am guessing that’s why it’s rated higher towing ( top model of Highlander) than our 2021 Pilot Touring ( Awd can tow 5000 on Pilots).
 
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