Here is a wonky google translate from my android phone.
Based on the 3.1i North American specifications, the ZEEK 3.11 was tuned in Los Angeles and reimported. In the early 1990s, there was a complete A70 Supra car. Equipped with a twin-turbo 7M-GTEU in a macho body, it was hitting out power...
I worked 3 hours on the diff and struggled to get the preload, it was either too much or no preload, or not enough. I was down to 0.71mm on the shims, and was about to try to get 0.65mm, then the old nut jammed up as I was trying to remove it.
It chewed up the threads on the pinion from the...
Update. Got my tool so I could remove the pinion. Costs me about 20 USD to make.
The jig I made out scrap angle aluminum i found around the factory.
I tried removing the front seal but found it difficult. any tips ? also what is this metal washer in front of the seal ?
How do i remove it...
I brought the diff to my workplace and things aint going well. First, for the life of me, I cannot get a proper backlash reading. I tried and tried for an hour and still couldnt get a consistent reading. I have a feeling I am not putting it at the correct angle. So I just removed the carrier...
Thank You Bru. I made my own flange holding tool. I just received my beam torque wrench
I did some testing not on some bolts, and found that the force required to get the needle to even go to 1Nm is quite noticable.
According to TSRM 2.2 Nm is the maximum total preload allowed so the max...
Will this flange be the same length size as the original ?
https://www.nitro-gear.com/YOKTOYFITKIT-29-p/yoktoyfitkit-29.htm
The original spline count is 27 spline correct ?
Yes Piratetip, it is a 4.556. I know it is awfully high for you 7M guys, but 1G engine is mated to a 4.3 for MT and 4.556 to AT. At 62mph in OD, The 1G engine RPM is 2800. At 112mph its 4800rpm. The 7M spins at 4000rpm at 112mph.
here is a resource for GA70/GZ20...
Guys, it doesnt look good so far. I drained the oil and the drain plug was dark with some metal shavings, the oil was also dark yellow.
and the diff only has 10 to 12 hours of use.
The drain plug residue
The diff also has noticable backlash, my guess is 1mm. I will be inspecting the gears...
I was hoping that a 3 jaw puller would suffice, or perhaps I wouldnt need to remove the inner pinion bearing, hopefully the inner shim is correct, if not I would just get some one to press it out for me.
Update, just went behind, found this rack pinion type press.
Amen, this answers all my questions thus far. have mentioned in another thread before that I am not from the US, but a tropical country called Malaysia, pretty sure its now well known cause of MH370 and all. The shop is this one.
https://www.facebook.com/wainlinmsport/
I thought he would be...
Anyone can recommend a suitable low upper limit beam torque wrench (max 25in.lb) that costs about $50? I am having hard time locating one, most of the ones on the market have a much higher limit so I can read the values on the lower end of the scale.
Thanks I looked at the diagram, and if i am correct , if the crush sleeve/pinion bering spacer is too short, the bearings will be heavily loaded, and if the spacer is too long, you cant preload the bearings, is this the correct conclusion ?
Also since i suspect that the crush sleeve is now too...
Does anyone have a cross section diagram of the mk3 diff ? I dont want the exploded diagram, but the cross section, it would help me understand better the relation between pinion depth and preload if i knew how the pinion bearing outer race is captured.
So the rebuild by the so called pro did not go well, idiot re used crush sleeve and it made a terrible hum on accel and decel. He took diff apart again and cut down on one of the side shims, and while this has dramatically reduced the hum on accel, the decel hum is still noticable. He will have...
Yes the rebuilder is using a solid spacer, machining costs over here is not expensive, a LSD is very expensive here. My guess is the rebuild cost is about 1/6th the cost of a LSD center.
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