[V8] Undercar Overhaul

[Coleman, David]

Thanks Kneal (and Jason) - 

 

On the front/rear pressure balancing lever piece, I wonder if a lowered
suspension would have any adverse effect on it (if it were actually
working)?

 

dc

 

 

 

________________________________

From: Kneale Brownson [mailto:knealeski at sbcglobal.net] 
Sent: Monday, June 16, 2008 11:30 AM
To: Coleman, David; v8 at audifans.com
Subject: Re: [V8] Undercar Overhaul

 

I think you should have marked the orientation of the propeller  shaft
flanges at each end so they could go back together with the same
"balanced" alignment.  Who knows whether they actually balanced the
shafts at the factory?

 

Don't all the propeller shaft CVs have a little play in them?  I've
never heard of one coming apart in use.

 

The brakeline fixture on the transverse beam is supposed to keep the
rears working equally, while the one in front of the driver wheelwell is
supposed to balance front/rear pressure to account for loading of the
car.  It's supposed to deflect with the suspension as it lowers under
load and supply greater rear braking pressure as needed.   Mine are all
frozen too.

 

I don't buy dealer brake lines.  I go to FLAPS and get approximately
correct lengths and bend 'em up to fit.  Local FLAPS have brake lines
with metric threaded flare nuts.  I usually cut the lines at that
transverse fixture so that I can fit a long socket over the nut.  Works
better than using an open-end or flare wrench.

 

All the parking brake adjustment is at the lever end, but if you have
sufficient corrosion of the brake lines to need replacing, you probably
also have corroded parking brake levers in the calipers.  See
http://20v.org/brakere.htm

"Coleman, David" <David.Coleman at blackrock.com> wrote:

	
	
	Driveshaft:
	
	- I recall reading some specific notice about reinstalling,
besides
	"reverse of removal" -- does this ring a bell? I will be
replacing the
	bolts, but that's due to the air chisel removal method required
by a
	few.
	
	
	
	-- There seems to be a bit of play in the CV joint at the rear
of the
	drive shaft. Has anyone had one explode? It looks like a c-clip
holds
	it on to the shaft end - is it that easy to replace? Worth the
bother?
	Driveline slop while driving is only apparent if you're not used
to the
	car, and I doubt it's from that joint anyway...
	
	
	
	
	
	Rear Brakes:
	
	-- There's a hard brake line that runs from a T-junction at the
	left/rear wheel, inward along the axle, and into what looks like
some
	kind of accumulator near the diff. The line is crusty and needs
	replaced. To greatly ease describing it to a vendor, can anyone
send
	me either (a) the illustration that identifies this line, or (b)
a part
	number?
	
	
	
	-- What the heck is that accumulator thing? Is it a maintenance
item?
	Part number?
	
	
	
	--Also inside the left rear wheel, there's a 2" x 2" box that
has brake
	lines going in/out, and has a 3" long lever on top, the end of
which is
	attached to a thin spring that hangs down and hooks to a fixed
point (a
	bracket for the e-brake cable, IIRC). This box looks to be some
	metering device that keeps the pressure equalized side-to-side,
but it's
	entirely mechanical. What is this thing, and does the fact that
the
	lever appears full-on seized have any consequence? Any intel on
this
	would be useful.
	
	
	
	-- Is there any e-brake adjustment needed at the calipers?
	
	
	
	
	
	Thanks for reading this far. Please let me know if you have any
	insight. I need to get the parts ordered ASAP!
	
	
	
	Best regards, 
	
	Dave C.
	
	
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