Fitting E34 Brakes - Revision history

Grrrmachine at 12:59, 25 January 2015

2015-01-25T12:59:00Z

Grrrmachine at 12:47, 25 January 2015

2015-01-25T12:47:04Z

Grrrmachine at 12:46, 25 January 2015

2015-01-25T12:46:41Z

Grrrmachine at 12:38, 25 January 2015

2015-01-25T12:38:52Z

Grrrmachine at 11:43, 25 January 2015

2015-01-25T11:43:41Z

Grrrmachine at 11:43, 25 January 2015

2015-01-25T11:43:19Z

Grrrmachine at 10:56, 25 January 2015

2015-01-25T10:56:58Z

Grrrmachine at 10:56, 25 January 2015

2015-01-25T10:56:02Z

Grrrmachine at 10:51, 25 January 2015

2015-01-25T10:51:54Z

Grrrmachine at 10:42, 25 January 2015

2015-01-25T10:42:22Z

@@ Line 20: / Line 20: @@
 *Hammer
 *Jack and jack stands (or post-lift if you're a flash git)
 *Grinder with discs
 *Drill and steel drill bits (up to 12mm)
@@ Line 50: / Line 49: @@
 =Calipers=
-Scored the front brackets first all the way from germany
+Scored the front brackets first all the way from Germany. These are the 300mm.de  adapters.
 [[Image:E34Brakes001.jpg|400px]]

@@ Line 2: / Line 2: @@
 This guide walks you through fitting [[E34]] front calipers. We also recommend following the sister article about [[Fitting_E32_Master_Cylinder|fitting an E32 servo and master cylinder]]. The standard E30 master cylinder is not big enough for the E34 calipers.
-[[Image:Installed.jpg|right|300px]]
+[[Image:Installed.JPG|right|300px]]
 This is '''not''' a bolt-on process. Some fabrication and custom parts are required to fit everything together.
 __TOC__

@@ Line 2: / Line 2: @@
 This guide walks you through fitting [[E34]] front calipers. We also recommend following the sister article about [[Fitting_E32_Master_Cylinder|fitting an E32 servo and master cylinder]]. The standard E30 master cylinder is not big enough for the E34 calipers.
+[[Image:Installed.jpg|right|300px]]
 This is '''not''' a bolt-on process. Some fabrication and custom parts are required to fit everything together.
 __TOC__

@@ Line 51: / Line 51: @@
 Scored the front brackets first all the way from germany
 [[Image:E34Brakes001.jpg|400px]]
 These were designed to be used with the E34 caliper and an audi 312mm disc. As you can see, these calipers are particluarly beefy.

@@ Line 56: / Line 56: @@
 These were designed to be used with the E34 caliper and an audi 312mm disc. As you can see, these calipers are particluarly beefy.
-[[Image:E34Brakes003.jpg|400px]]
+[[Image:E34Brakes002.jpg|400px]]
 The brake carrier needs some slight grinding to line up the holes in the bracket and carrier, because it hits the hub. This will be trial and error on your part but I found it to be about 3-4mm (grind you carrier at your own risk)

@@ Line 1: / Line 1: @@
 If you've dramatically increased your engine's power, either by an [[Engine_Swaps|engine swap]] or [[Forced Induction]], then you're going to need some bigger [[Brakes]].
-This guide walks you through fitting [[E34]] front calipers. We also recommend following the sister article about fitting an [[E32]] servo and master cylinder. The standard E30 master cylinder is not big enough for the E34 calipers.
+This guide walks you through fitting [[E34]] front calipers. We also recommend following the sister article about [[Fitting_E32_Master_Cylinder|fitting an E32 servo and master cylinder]]. The standard E30 master cylinder is not big enough for the E34 calipers.
 This is '''not''' a bolt-on process. Some fabrication and custom parts are required to fit everything together.

@@ Line 21: / Line 21: @@
 *Jack and jack stands (or post-lift if you're a flash git)
 *Some stiff wire
 *Grinder with discs
 *Drill and steel drill bits (up to 12mm)
-=Procedure=
+=Preparation=
 Loosen the front wheel nuts on each side, then jack the car up using the appropriate [[Jacking Points]] and secure it on jack stands. Remove the wheels and place them under the car for safety.
@@ Line 37: / Line 34: @@
 You should now have a bare naked hub to attach your new brakes to.
-==Brake Discs==
+=Brake Discs=
 First on is the new brake discs. We're using 312mm discs from an Audi TT Mk1, and these will need some modification to fit. The centre bore needs opeing up 1mm and two holes need drilling in between the two current bolt holes
@@ Line 49: / Line 46: @@
 Attach the disc and bolt to the hub using the wheel nuts to stop it moving about while we fit the calipers.
-==Calipers==
+=Calipers=
 Scored the front brackets first all the way from germany

@@ Line 1: / Line 1: @@
 If you've dramatically increased your engine's power, either by an [[Engine_Swaps|engine swap]] or [[Forced Induction]], then you're going to need some bigger [[Brakes]].
-This guide walks you through fitting [[E34]] calipers together with an [[E32]] servo and master cylinder. The standard E30 master cylinder is not big enough for the E34 calipers.
+This guide walks you through fitting [[E34]] front calipers together with an [[E32]] servo and master cylinder. The standard E30 master cylinder is not big enough for the E34 calipers.
 __TOC__
@@ Line 7: / Line 9: @@
 =Parts=
-Front and rear calipers from an E34
+*E34 540i Front calipers, Carriers, bolts, clips
-Caliper adapter brackets
+*Audi TT MK1 312x25mm vented front discs x2
-Audi 312mm discs
+*E34 540i Brake pads (your choice, I chose brembo OE)
-=Tools=
+Loosen the front wheel nuts on each side, then jack the car up using the appropriate [[Jacking Points]] and secure it on jack stands. Remove the wheels and place them under the car for safety.
-Die
+Attach the disc and bolt to the hub using the wheel nuts to stop it moving about while we fit the calipers.
 Scored the front brackets first all the way from germany
@@ Line 32: / Line 64: @@
 E34Brakes003
-Because I've put the E34 calipers on the front and plan to do the rear the standard E30 master cylinder isn't big enough to move enough fluid
+With the E34 calipers on the front, and potentially bigger brakes on the rear as well, the standard E30 master cylinder isn't big enough to move enough fluid. To get around this, most people use the E32 750i MC but I also wanted more assistance to match. The 750i MC is also becoming increasingly expensive due to its rareity, so I'm opting to use a more mundane E32 735i MC and servo instead. This master cylinder is still 25mm, so should improve the feeling to near stock level
-But one problem is that a few mods are needed, the E32 I got mine from had a spacer on the back of the servo. There are two options here
+However, a few mods will be needed to make this fit.
-. use the spacer requires the least mods but the brake fluid resiviour will be right underneath the inlet boot on the m20 and possible fouling
-. Ditch the spacer but then a few mods are needed, these are:
+The E32 I got mine from had a spacer on the back of the servo. There are two options here:
-Grind down and shorten the push rod to put the clevis at original level
 Open up 2 holes in the bulkhead
 Bend the brake lines slightly
 I choose number 2 for an original look to the engine bay
+Start by opening up the mounting holes
 E34Brakes005
-ground down the pushrod
+Grind down the pushrod
 E34Brakes006
-started to make the thread
+Start making the thread using your die
 E34Brakes007
-About an Inch and half cut off, also threaded as far as I dared
+Cut about an inch and half cut off (37mm), and thread it as far as you dare
 E34Brakes008
-remember if your doing this then leave the die wound on before you cut it off so you can then unwind it and clean the threads so the clevis will go on with no trouble
+Remember if you're doing this yourself then leave the die wound on before you cut the excess off. That way, you can then unwind it and clean the threads so that the clevis can go on with no trouble
 test fit
 E34Brakes009
-I was made up that the standard E32 vacuum line was in the perfect place to line up to the E30 system Smile
+I was made up that the standard E32 vacuum line was in the perfect place to line up to the E30 system
-the clevis was the tricky part
+The clevis is the trickiest part
-I lost the E30 clevis so I used the E32 one but it was way too long so needed trimming and slight mods so please keep your e30 one unless you want some trial and error fitment issues that involves installing ad removing the servo/clevis multiple times
+I lost the E30 clevis so I used the E32 one but it was way too long. This required trimming and slight mods so please keep your E30 one unless you want some trial and error fitment issues that involves installing and removing the servo/clevis multiple times
 E34Brakes010