Broken Petcock Replacement part number?

Gtech940 · Post by **Gtech940** » 24 Aug 2020, 11:28

So I broke the petcock in exactly the same fashion as this guy:

viewtopic.php?t=25709

He never talked about how he replaced the petcock.

Mine is the same car, a '96 F.I. 850 Turbo.

FCP shows this part:

https://www.fcpeuro.com/products/volvo- ... ck-3547226

which looks different than mine (mine has a flathead-screwdriver slot).

Volvo parts also shows the same part, and the diagram shows the same hex-head petcock, on the opposite end of the radiator.

As far as I'm aware, the rad has not been changed and should be OE.

What is the part number to replace my petcock / would the FCP/Volvo part work as a replacement?

Gtech940 · Post by **Gtech940** » 24 Aug 2020, 19:14

Dealer said to not worry about the diagram, the threads should be the same so I ordered the Hex-style from them for $8

Post by **hausmeister** » 25 Aug 2020, 02:26

Interesting, on my 850 I also wanted to replace the drain plug with the newer version you linked, but the threads did not match. I'm however not sure it still had the original radiator (repaced it with do88 radiator sometime later).

Gtech940 · Post by **Gtech940** » 26 Aug 2020, 13:19

Well,

The dealer part doesnt look like it'll fit. The old cock is in there fully, but it leaks slowly even with no pressure in the system....

Any ideas where I could get the original, flathead-style petcock? Or perhaps know if that is a sign of an aftermarket radiator?

Gtech940 · Post by **Gtech940** » 26 Aug 2020, 13:22

Well I did find this thread as a start...

viewtopic.php?t=75250

I'm ordering Dorman 61138 and hoping for the best! Only $6, hoping it works!

Post by **misha** » 26 Aug 2020, 15:20

For future coolant replacement,remove the lower radiator hose.
Petcock removal is always a risk.

Post by **theWIFES_S70** » 27 Aug 2020, 13:06

Gtech940 wrote: 26 Aug 2020, 13:22 Well I did find this thread as a start...

viewtopic.php?t=75250

I'm ordering Dorman 61138 and hoping for the best! Only $6, hoping it works!

And when you get it, JB Weld it!

: jb_weld_petcock.jpg (55.6 KiB) Viewed 1114 times

Gtech940 · Post by **Gtech940** » 27 Aug 2020, 13:13

Did you do that because it was still leaking? Or just in case?