MT Accumulator Delete Mod (ADM) and BS Thread

If list is $109, then $25 is a good estimate lol. Usually spare parts is a 2.5 markup with an additional 30% at the end.

 

I'll say this, in the grand scheme of things the clutch is fine to me. However, I'm really hoping the accumulator delete will give a more consistent engagement.

Generally it'll bite exactly how I'm expecting, nice smooth take offs and shifts. But it will occasionally get in these "moods" where the grab point is unpredictable for a bit.

A little more feel would be better too but in my experience Toyota clutches tend to feel pretty disconnected.

I'm sure there is a reason they put the accumulator in, but it isn't necessarily a good reason lol.

 

With the elbow, it should reversible. I started with the elbow close to the original position of the upper line and worked the line to the slave up and forward to meet the fitting.

The worst case scenario is that you'd need to get another replacement line going into the slave. My local autoparts store (O'Reillys) has pre-made 8.0in sections for about $5?

 

This is my main complaint as well, it's inconsistent at times. For example, you've done thousands of upshifts the same way - smooth as silk. Once in a while though, it feels like you've dumped the pedal like a noob in the same situation. The feel is also vague in high load situations - sometimes. I'd also like to know if this delete will help in cold weather situations. Once it hits about -10C , release is at a snails pace at first. I mean, I've had other vehicles with a hydraulic clutch but none have had these particular quirks. Maybe they didn't have an accumulator, or maybe it was a better design .

 

Tony, would a flexible brake line with the proper fittings be a viable option? That way you should be able to line everything up without bending anything.. just a thought.

 

Didn't even know that this was in there. I've been driving MT for nearly 30 years and this helps to explain some of the quirks with the Tacoma

Subbed for follow up/long term report

 

Other than the accumulator, the clutch system is as dead simple as my motorcycle. OR and Pro have a dedicated reservoir, others feed from the brake reservoir. The master cylinder is just the feed line in and pressure line outlet which now goes directly to the slave that only has a pressure line inlet and bleed nipple. You can see 90% of it just looking around.

So, the only thing that could be screwing things up is the accumulator, air in the system, the TO bearing, or clutch diaphragm. IMVHO, only one thing on that list can cause inconsistencies in a bled system.

 

That was my original plan. The problem is that I could not find female fittings for flared lines. So, it would require getting a section of line with two male fittings ($5.00), forming the 90deg turn, cutting and flaring it to get 30mm tall x 40mm back to the slave line minus the couplers, and getting two couplers ($4 each). The line is standard 3/16in, so a nice double flare tool is needed. I was thinking about that route for 6mo and never got further than buying the section of line.

Searching the brake and clutch system, I saw the elbows (ways) but didn't know if they fit until @RedBeard1 confirmed. I paid $28 with tax for the elbow at my local dealer just in case I wanted to return it. Searching online for the part, it can be bought for about $15 plus shipping, or about the same as putting together a piece of line.

Other than a piece that @7r41lbr34k3r is considering, the elbow was the easiest route for me.

 

The name's Steve, but I get your side of things. Toyota does not cover Clutches, as they are a wear item, that is not speculation.

 

Ah ok, thanks for the explanation.

 

There have been a few thanful souls that have had clutch failures covered under warranty. There were only a few miles on them.

No problem! If you can find M10 x 1.0 female flares, I can point you toward the line that I found. It should be available in Canada?

 

Those were defective, so was claimed. I'm around 42,000 miles, so I know the clutch is working as intended, but I would agree with you Tony, the accumulator ruins the feel of the clutch system for me.

 

Thanks for the offer Tony, I will be waiting to see what the shift knob wizard comes up with. That would be a damn fine solution, bolt the new unit right up!

 

Eh! If I was judging warranty claims, any clutch failure at about 1,000mi or less would be covered, once. Both to keep customers happy and diagnosis any manufacturing failures. I'm over 11k now. Anything that occurs is on me.

 

We are actively discussing it. I'm sending him the accumulator today or tomorrow.

 

given that this is snowballing into a bigger project now with possible fab work...

is it consideration-worthy to look back at replacing our hydraulics with a worked over system from another vehicle like the FJ? i don't know too much detail here, but i've seen a few others who have put in the initial big effort to swap over to the FJ's hardware and no complaints after. not sure where i could find those builds but someone else here has seen those, too, right? just wondering..

 

Nice!

 

I'm sure others will want to explore this, but replacing the accumulator with a machined piece of similar dimensions (and correct mounting holes) is not that big of a deal to me as a first step. I'll go that far and gauge the improvement first. Just my opinion FWIW.

 

I have not seen anything about this other than the pedal swap? FWIW, even after removing and reinstalling the spring without adding any grease, my pedal is still thankfully quiet and am not too bothered by the plastic (nylon?) construction. If that is what you are talking about, it could be a decent upgrade if folks wanted it. Looking at mine, I'm happy seeing a metal master and slave. I believe the 2nd Gens were plastic? Could be wrong.

 

Really, a custom piece of brake line and a cushioned bracket mount like this would work too.