EP. 10 My BMW E30 Restoration - Medium Case (188mm) Limited Slip Differential
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this is a re-upload as
this is a re-upload as the first didn’t have audio
Hi and welcome to my channel,
In this video I will be restoring my 188mm 3.15 LSD as part of my rear assembly series.
This process is extensive but satisfying, I learnt a lot here, especially with the clutch plates etc, but the results were still very good.
If you have any questions please don't hesitate to ask! Parts and specs below,
Time Codes:
0:00 - Intro
0:42 - Disassembly
2:45 - Removal of Input Shaft
3:37 - Clutch Pack Disassembly
6:23 - Disassembly continued
8:49 - Inspection and clean of components
9:26 - Replacement components
10:10 - Painting
12:06 - Plating
15:22 - Restored components
15:40 - Reassembly
17:46 - Preload adjustment
19:31 - Gear meshing and backlash measurements
20:26 - Outro
Parts/Services list:
Clutch kit - Gear Lab
Bearings Output - Timken LM503349A/LM503310 x2
Bearings Pinion - Timken HM88542/HM88510 & HM89449/HM89410
Seals Output - Corteco 33107505602
Seals Pinion - Corteco 33101214099
O-rings - 33111214144 x2
Crush washer - 33121744368 (recommend to get 2 of these as it is tricky to get right the first time)
Securing plate - 23211490120
Pinion Shaft nut - 33121200258
Large dust cover - 33131213905 x2
Small dust cover - 33131214059 x2
Output shaft clip - 33131207280 x2
Pinion shaft dust cover - 33121200284
Speed sensor bracket - 33111206076
Rear cover gasket - 33111210405
Oil plug gasket - 07119963355 x2
Upgraded clutch pack bolts to 12.9
Paint - POR15 Metal Prep & Gloss Black
Specifications:
LSD Carrier Top cap bolts torque - 34nm/25ft-lbs
Ring Gear Bolts torque - 150nm/110ft-lbs
Side Cap Bolts torque - 14nm/10ft-lbs
Diff Cover Bolts torque - 46nm/34ft-lbs
Pinion Preload - ~12in-lbs to 23in-lbs
Carrier Preload - ~11in-lbs to 23in-lbs
Ring and Pinion Backlash - 0.06mm to 0.14mm
Hi and welcome to my channel,
In this video I will be restoring my 188mm 3.15 LSD as part of my rear assembly series.
This process is extensive but satisfying, I learnt a lot here, especially with the clutch plates etc, but the results were still very good.
If you have any questions please don't hesitate to ask! Parts and specs below,
Time Codes:
0:00 - Intro
0:42 - Disassembly
2:45 - Removal of Input Shaft
3:37 - Clutch Pack Disassembly
6:23 - Disassembly continued
8:49 - Inspection and clean of components
9:26 - Replacement components
10:10 - Painting
12:06 - Plating
15:22 - Restored components
15:40 - Reassembly
17:46 - Preload adjustment
19:31 - Gear meshing and backlash measurements
20:26 - Outro
Parts/Services list:
Clutch kit - Gear Lab
Bearings Output - Timken LM503349A/LM503310 x2
Bearings Pinion - Timken HM88542/HM88510 & HM89449/HM89410
Seals Output - Corteco 33107505602
Seals Pinion - Corteco 33101214099
O-rings - 33111214144 x2
Crush washer - 33121744368 (recommend to get 2 of these as it is tricky to get right the first time)
Securing plate - 23211490120
Pinion Shaft nut - 33121200258
Large dust cover - 33131213905 x2
Small dust cover - 33131214059 x2
Output shaft clip - 33131207280 x2
Pinion shaft dust cover - 33121200284
Speed sensor bracket - 33111206076
Rear cover gasket - 33111210405
Oil plug gasket - 07119963355 x2
Upgraded clutch pack bolts to 12.9
Paint - POR15 Metal Prep & Gloss Black
Specifications:
LSD Carrier Top cap bolts torque - 34nm/25ft-lbs
Ring Gear Bolts torque - 150nm/110ft-lbs
Side Cap Bolts torque - 14nm/10ft-lbs
Diff Cover Bolts torque - 46nm/34ft-lbs
Pinion Preload - ~12in-lbs to 23in-lbs
Carrier Preload - ~11in-lbs to 23in-lbs
Ring and Pinion Backlash - 0.06mm to 0.14mm
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