Subject	While DOT 3, 4 and 5.1 fluid should be compatible I have
Posted by	Bernie (NoVA) on October 04, 2021 at 3:41 PM
	This message has been viewed 412 times.
In Reply To	Why?(And not trying to start a pissing contest) posted by ZXoltan on October 04, 2021 at 02:47 PM
Message	seen pretty weird failures on low mileage, otherwise super clean cars when non DOT3/4 fluids got used. I have a series of cars over the past few years that all hard Dot 5.1 fluid in their systems per the owners. ABS leaks, master cylinder leaks, and weird plastics and seal failures all followed. While the fluids might be compatible, I'm not sure that all the legacy seals, orings and plastics are. 1992 TT w. 80K 1992 TT w. 60K 1991 GTR Bernie Bilski berniebilski@cox.net President of Z-Car Club of Northern Virginia 1995 Nissan 300ZX TwinTurbo in Cobalt Green 1997 Nissan 240SX SE in Ultra Red 2006 Nissan Frontier SE in Ultra Black
Follow Ups	Few photos of my Brake Job++ - Polishzx 00:01:40 09/27/21 Nice work - they look great! That's a perfect spot for the - Woodnutz (PA) 07:02:46 09/27/21 You don't see any of it - Polishzx 18:10:46 09/28/21 What seal kits did you use? The Centrix ones I used the - ctheobal 13:42:38 09/27/21 Always reuse the stock dust boot clips. (n/m) - Bernie (NoVA) 22:35:23 09/27/21 Man I almost did... I saved them all so I can - Polishzx 00:45:04 09/28/21 Just swap them now. The Centric fit like crap. (n/m) - Bernie (NoVA) 01:52:02 09/28/21 Unfortunately I didn’t know they would be hard to get - ctheobal 14:01:08 09/28/21 I've always reuse them so I don't have spares. (n/m) - Bernie (NoVA) 14:14:30 09/28/21 I used the Centric rebuild kits - Polishzx 00:47:26 09/28/21 I also used Centric Assembly fluid - Polishzx 01:26:24 09/28/21 Nicely done! (n/m) - Barry (NJ) 18:22:51 09/27/21 Thank you! (n/m) - Polishzx 00:37:07 09/29/21 NO thread tape does not go on bleed screws - BlackholeZ 19:23:16 09/27/21 ^^^This - itsa300zx 20:56:53 09/27/21 What gets deformed? Is it the bleeder or the casting? - ZXoltan 16:40:33 09/28/21 Re: What gets deformed? Is it the bleeder or the casting? - itsa300zx 11:12:39 09/29/21 Good to know. May try to acquire one of those tools - ZXoltan 13:14:43 09/29/21 That makes sense to me - Polishzx 00:37:51 09/28/21 Remove the tape.... - black300zx 07:34:25 09/28/21 Yup. This is a better idea. (n/m) - Bernie (NoVA) 19:52:51 09/28/21 2nd - vorpalZed 23:37:49 09/28/21 They weren't leaking - Polishzx 00:21:43 09/29/21 I do pipefitting - vorpalZed 09:19:56 09/30/21 Newer/higher spec brake fluids are a lot less aggressive - BlackholeZ 12:30:44 09/30/21 Dot5 (silicone) definitely friendlier if spilled on paint - ZXoltan 17:37:48 10/01/21 Huh didn't know about the dissolved air issue - BlackholeZ 15:11:01 10/02/21 Shouldnt be an issue unless you're in Denver or - ZXoltan 10:59:40 10/03/21 ONLY use DOT 3 or 4 in the Z32. (n/m) - Bernie (NoVA) 14:29:14 10/04/21 Why?(And not trying to start a pissing contest) - ZXoltan 14:47:36 10/04/21 While DOT 3, 4 and 5.1 fluid should be compatible I have - Bernie (NoVA) 15:41:18 10/04/21 I'm assuming those systems were not rebuilt and flushed? - ZXoltan 18:11:44 10/04/21 Correct - it was "the guy at the shop used the good stuff" - Bernie (NoVA) 22:21:32 10/04/21 Also the spring clip is a "b" for brake not a "P" for pagina - Bernie (NoVA) 22:34:42 09/27/21 Lol I'll swap the spring clip - Polishzx 00:22:47 09/28/21 Nice work. I did this many years ago and PC has held up wel - ZaXxon 13:32:34 09/30/21 I'd source new hardware - Adam (NoVA) 09:49:59 10/01/21 looks awesome. We should do an Alices run one weekend (n/m) - moxie (SF) 00:02:38 10/04/21
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