Posts Tagged oil seal
Pitman arm sealing kit 1958/1957 will interchange to 1956?
Posted by Lars Schenk in Restoration, Parts, Sources & Dealers on July 10th, 2003
I’m searching for a pitman arm sealing kit for my 1956 Cadillac Coupe deVille.
I requested some well known parts sources (usa part supply, kanter) but they told me that they can offer only complete rebuilded steering boxes to me. My steering box is okay (I bought a rebuilded box in 1999) – only the pitmanarm seal is leaking now so I don’t want to purchase a rebuilded box again.
Word is, that there is no pitman arm sealing kit availalbe for 1956! Only sealing kits that were available are for the years 1957/1958. So I want to ask if someone knows if they will fit for 1956.
I can’t imagine that there is not kit availalbe for 1956 – because the guys neet to have one, if they offer me a rebuilded one.
Taken from my master part book (covering 56 to 60) I would say it’s
group no 18.0335 = Kit, Seal, pitman Shaft (Includes RetainerRing, seal and Washer)
The groupnumber ist the same for 56-60 = 18.0335
For the year 1956 it says partno: 568 3798
But for 57-60 it is a different partnumber: 568 5583
Exploded views let me assume that the kit for 1957/58 has just one part more but I don’t know if the 57/58 kit is compatible to 1956 and will fit there.
Hope anyone can help with this very specific question. Or did anyone knows a parts source that offers kits for 1956?
Differential pinion oil seal replacement
Posted by Lars Schenk in Restoration, Parts, Sources & Dealers on December 8th, 2002
Does your differential leaks oil? Here’s how I replaced the pinion-oil seal at my 1956 Coupe DeVille.
This article is documented with some pictures in the gallery.
1. Remove driveshaft at differential. I wanted to overholt the drive, too. So I removed it also from the tranny. If you do that be aware that the tranny will lose oil if you wont’ insert a spare joke or drain tranny oil first.
2. Remove pinion joke at differential. It thought the lock nut would be very tight – but I was wrong; it was learly loose. Later I found out that the threads of the nut were worn and I need to replace with a new nut. The joke itself was removed easily. Perhaps you need a puller to remove the joke.
3. By removing the old oil seal it will be damaged – but since we want to replace this seal, dont’ care. Be very carefull to avoid damaging the oil seal seat at the differential housing! I guess you can use a screwdrive to remove the old seal – but I was affraid of damaging the seat, so I used a puller to remove the old seal. You can see pictures of my self made oil seal puller here.
4. Clean the oil seal seat at the differential housing and lubricate the seat with a thin film of sealing paste. Insert the new seal and press the seal into the seat very carefully to avoid tilt or distorsion of the new seat. There’s a special tool available to press the seal into the seat but if you don’t have it, you can also use a wooden block and a hammer to drive the seal in, like I did.
Replacement of the oil seal alone should not take more than 1 hour.
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