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Taiden
Taiden SuperDork
3/7/12 6:33 p.m.

I"m seriously considering tapping the pivot pin hole and threading a rounded off bolt with stop nut into it.

Anyone want to talk me down before I do it?

Taiden
Taiden SuperDork
3/8/12 2:08 p.m.

Tapped the pivot bushing hole with a 3/8" x 16 tpi tap. Put a stainless allen head bolt with a lock nut on it. I rounded the end of the bolt. Clutch is silky smooth now.

Taiden
Taiden SuperDork
3/8/12 6:34 p.m.

Well, after the clutch was made awesome, I figured I might as well make the rear axle awesome too. So I did.

I should start taking pictures... no one likes a thread without pictures.

ValuePack
ValuePack Dork
3/8/12 6:45 p.m.

Pictars, immediately!

Glad this is working out, you were due for something awesome.

Taiden
Taiden SuperDork
3/9/12 3:47 p.m.

Ok. Symptoms: Brake smell, front left wheel is hot, front left inside brake pad has abnormally high wear. Front left wheel doesn't spin freely, but does spin easily.

Sticking caliper? What's the easiest grassroots way to fix this?

oldtin
oldtin SuperDork
3/9/12 3:58 p.m.

Junkyard hunt - e32 caliper and brackets. Oh, e34 540 rears make a nice upgrade - you can usually find some of those in junkyards with bad automatic transmissions. e34 fronts are an upgrade too - just not as big as e32s.

Taiden
Taiden SuperDork
3/9/12 4:24 p.m.

Is there any way to put this caliper in service for the time being?

ValuePack
ValuePack Dork
3/9/12 4:28 p.m.

^Grease the pins and try again?

Taiden
Taiden SuperDork
3/9/12 4:45 p.m.

Is that a job for lithium grease or something else?

ValuePack
ValuePack Dork
3/9/12 4:54 p.m.

For a temporary fix, I'd use just about anything that'll take a little temperature. The shop I worked in last used wheel bearing grease, every reman caliper I've bought comes with sticky silicone grease... Use whatever you like. I don't think what you use matters much provided that it's thick enough to not run out past the pin boots.

Now if it's a matter of the piston(s) not retracting, that's another matter entirely, but abnormal wear on one pad sounds more like the pins are just dry.

oldtin
oldtin SuperDork
3/9/12 4:54 p.m.

synthetic grease - maybe replace the caliper bushings if you can.

Taiden
Taiden SuperDork
3/9/12 5:24 p.m.

I think I'll try to remove the pins one at a time to grease them with the caliper still on the upright.

ValuePack
ValuePack Dork
3/9/12 5:52 p.m.

I would too, no need to haul it all the way down. Would be a decent idea to polish up the pins a bit if they're marked up and get any garbage out of the pin bores on the caliper as well.

Taiden
Taiden SuperDork
3/10/12 4:00 p.m.

Well the pins are fine, but the piston is sticking? I tried clamping it a few times to get it moving, but it still sticks pretty good.

ValuePack
ValuePack Dork
3/10/12 8:30 p.m.

Crap. Time for rebuild/reman.

Taiden
Taiden SuperDork
3/10/12 8:36 p.m.

Yeah. Time for a reman.

Taiden
Taiden SuperDork
3/11/12 1:15 p.m.

Don't worry champs, pictures coming soon.

Pulled the valve cover just now to do valve lash. Sure enough a banjo bolt was gone. and found!

friedgreencorrado
friedgreencorrado SuperDork
3/11/12 4:27 p.m.

Eh, considering what you paid for it, you're still making out like a bandit. It'll be a great car once you get it sorted.

Taiden
Taiden SuperDork
3/11/12 4:45 p.m.

I haven't spent much extra money on it so far, just lots of work on little things.

friedgreencorrado
friedgreencorrado SuperDork
3/11/12 5:09 p.m.
Taiden wrote: I haven't spent much extra money on it so far, just lots of work on little things.

That's the Grassroots way, right? I'm loving that thread Woody's doing on that old 911 Targa he found.

Taiden
Taiden SuperDork
3/13/12 8:13 p.m.

Photobucket Photobucket Photobucket Photobucket Photobucket Photobucket Photobucket Photobucket

Taiden
Taiden SuperDork
3/13/12 8:15 p.m.

Just some random photos to keep the junkies at bay.

Just ordered some parts:

  • new 528e differential bushing
  • new center bearing
  • locknuts for a new guibo i have laying around
  • output shaft seal
  • shift selector seal
  • guide bushing for the driveshaft
  • and new crush washers for the spray bar
ValuePack
ValuePack Dork
3/13/12 8:22 p.m.

A) Pikshars! I'm more jealous after seeing more of how clean it is.

B) I'm waiting with bated breath for the YouTube instructional series on stuffing a flat six where the back seat lives.

Edit: "baited"? Damn speel cheque.

Tyler H
Tyler H Dork
3/13/12 8:26 p.m.

I just sold my E28 today. I have some Alpinas that you NEED.

http://www.mye28.com/viewtopic.php?t=102874

E28s are great cars. Good score! I asked $2700 for mine (without the wheels) and had people lined up to be relieved of their money

Get it working right, enjoy the car and not losing money when you go to sell.

P.S. Unless you have documentation of frequent valve adjustments (calls for 15k interval,) adjust the rocker clearance at the cam and not the valve stem as the Bentley calls for. The valve stem gets worn eccentric and won't hold an adjustment for a while. .010 feeler gauge on the cam side will keep it happy and let the valve stems go on being happily eccentric.

If you already did it at the valve side, no biggie. You'll probably need to do it every 1000 miles for 2-3 intervals until the valve stems and eccentrics settle in.

Now you can add re-tracking the AFM, cleaning the IACV and verifying the throttle position switch to your list. All of this stuff is free and pays big dividends.

Taiden
Taiden SuperDork
3/13/12 9:48 p.m.

Those alpinas are sexyyyy... I doubt I can afford them right now though.

Oh. My steering wheel wont telescope. Is the infamous steering linkage nut too tight?

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