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Discussion Starter · #1 ·
VTM-4 Fluid Change

I hope these pictures help if you decide to change your VTM-4 fluid. I purchased the VTM-4 Fluid and two crush washers from the dealer; they are not available from Auto Zone. You will also need the following items; a 3/8" socket and extender, 6' of 5/8" x 1/2" plastic tubing and a funnel.

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Step 1 Loosen the top plug first and then remove the bottom drain plug.
Step 2 Drain the fluid.

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Step 3 Open the trunk hatch and remove the drain plug. Push the tubing through the drain plug. Now feed the plastic tube into the top plug. Close and tighten the bottom drain plug and crush ring.

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The view from underneath shows the path of the tube and if run correctly the tube will not pull out.

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Step 4 Pour the fluid into the funnel and fill until the fluid seeps out of the top plug. (See below)
Step 5 Re-install the top plug and crush ring.


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So that's what the trunk drain plug is for!

Genius!
 

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cmotley,
does the rear differential hold the entire gallon of fluid? are the crush washers the same ones used for a motor oil change? where do you get the plastic tubing? thanks for the info and great pictures.
 

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What is the recommendation from Honda on the VTM - 4 change is it a mileage point ? or is it like oil so many miles or so many months.
 

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Discussion Starter · #6 ·
The idea to use the "trunk drain" was posted in a earlier post by eurban, I simply supplied the photos. But like him, I had an awful time pumping the VTM fluid from the ground and pushing it in the rear differential. (It's really hard when it's cold and the cheap hose kinks)

Each time I changed the VTM fluid I used about 75 - 80% of the product they sold me. I followed the maintenance minder and change the VTM Fluid accordingly. The first change came at about 13,500 miles and my second was done at nearly 38,000. The hose was $3 from Lowes.
 

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I never tried this method but it sure looks interesting. I just jack it up and slide the bottle between the trunk and the A-arm.
 

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I took the old bottle of vtm4 fluid and put a brass 5/8" hose connector through it and attached a fluid pump, but had I thought of that darned trunk plug life would have been much easier, thanks for the photos :)

Also when it's nearly done draining I give a few 'tips' of fresh fluid in there to hopefully wash out any of the old that's hanging around...never a bad idea I guess.
 

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Thank you so much for the pictures along with the description. Last week the dealer was trying to sell me that service, now I can do it on my own ( saving some serious $$) :D
 

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Thank you so much for the pictures along with the description. Last week the dealer was trying to sell me that service, now I can do it on my own ( saving some serious $$) :D
I used Cmotley's method some time ago. I paid $29 for the fluid from a Honda dealer and a couple bucks from Lowe's for the hose. The funnel I had on hand.

The hardest part was busting the fill & drain plugs. Next time will be a lot easier.
 

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Brilliant! I mis-read my Maintenance Minder & bought VTM-4 fluid last month. I have been puzzling/dreading having the pump it in when the time comes. The hose & funnel method using the drain plug is great!
 

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I tried the hose and funnel approach this weekend, and found it to be a total PITA. flow is too horizontal to work well, it seems to me. I finally emtied a pump shampoo bottle, and pumped my fluid in. Of course I made it harder on myself by not jacking up the truck first. Time for a diet.
 

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$4.00 at Northern Hyd. Remove both plugs. Let drain. This pump comes with two different bottle neck adaptors. Choose the larger one and put in your VTM oil you bought. replace bottom plug. Insert long hose in top fill hole. Pump slow till it comes out, wait few minutes pump again and do the same till full. Give it time to flow. Replace top filler hole plug. Yes I used new washers.:D
 

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Discussion Starter · #15 ·
You have to route the hose as shown in the photos. I was able to pour the fluid as fast as the funnel could take it.
 

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Are the crush rings for the diff two differnt sizes (slightly)? My buddy from the dealership gave me a bunch of oil rings and then 2 diff rings, but they look slightly differnt sizes.
 

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Yes, they are two different sizes.
 

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Even a GM mechanic could figure it out. They're not close in size.
 
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