[bikertillidie]

The 118ne certainly did. I have one which looks similar..

[bikertillidie]

Got hold of the owner's and service manuals


W123 meets its ancestor

[bikertillidie]

Fitted the wheel arch trims and mudflaps today.

Not that I intend to drive around in rains..

[bikertillidie]

Posting again after a while.

The vacuum pump has been causing trouble lately. Traced it down to a faulty check valve. It's appears completely disintegrated.



I have found a donor pump sourced from a scrapyard which seems to have a working check valve. Will attempt replacing it once free.



Next on my to do list, fix the clutch master/slave cylinder. The clutch pedal has sunk to the bottom and I can't spot any brake oil leakage anywhere

[Jeroen]

Originally Posted by bikertillidie

Next on my to do list, fix the clutch master/slave cylinder. The clutch pedal has sunk to the bottom and I can't spot any brake oil leakage anywhere

As it was working before, the likelyhood of air having entered the system is remote.

So, ith these symptons, most likely the master cylinder. Slave cylinder will leak oil when the seals/rings are worn down. You can have internal leakage in master cylinder. So the hydraulic fluid will find its way past the piston seals, but it still stays within the cylinder. Nothing shows on the outside.


Jeroen

[bikertillidie]

Updates as of 21st October

Finally found some time to examine the master cylinder for the clutch hydraulic circuit.

It was badly corroded, thereby causing the malfunction.




And the replacement..



While removing the old master cylinder, one of the bolts had sheared off. Hence, the entire pedal assembly had to be removed from the car. The broken bolt was extricated using a blow torch.

A replacement M8 bolt..




While at it, the entire pedal assembly was cleaned and lubricated. The nipple connecting the master cylinder to the brake fluid reservoir was reused.





Test drove the car to Jejuri and back this evening. Problem seems to be fixed for good.

[soonya]

Wow, what a read. Meticulous and very patient restoration. I love the way the community supported. Congratulations. I was bitten by the 123 bug, but was wondering if I'd have the patience like you do.

Congratulations again mate. Hope it's healthy and running fine.