Testing accumulator?

Started by stargazer7467, May 06, 2009, 08:11:57 PM

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stargazer7467

May 06, 2009, 08:11:57 PM
During an ebay search I came across a guy selling used accumulators and says he has a way of verifying them to be good. Anyone know how that is done?
W41 Quad4, 3.1 Turbo x2 FTW!!

mfewtrail

#1
May 07, 2009, 04:09:23 PM
He must have some sort of pressure testing rig to see if they're still holding close to their pre-charged pressure.
'93 SE, '90 Black/tan TGP, & '90 Red/tan TGP

jasonrush

#2
May 07, 2009, 04:42:00 PM
From what I have been gathering these things only last a few years new so I wouldn't bother unless you're in a pinch. I just bought one from gmpartsdirect.com on tues and it should be here sat for $175 shipped.

GPChief

#3
May 07, 2009, 07:14:46 PM
I called 3 dealers in Colorado Springs, 4 in Denver, they all told me it was a discontinued part.  Am planning on switching to vacuum brakes this summer.
2004 GTP -  3.8 Blown - Only modding for MPG.
1997 GTP  - 3.8 Blown - Too many mods to list.
1996 GTP - 3.4 DOHC - Twin to my 1997.
1995 SE - soon to be a 3.8 turbo car.
1990 TSTE x 2 white cloth
1990 TSTE x 1 maroon leather
1990 TGP - 5 speed.

Serge A. Storms

#4
May 07, 2009, 10:28:32 PM
Quote from: GPChief on May 07, 2009, 07:14:46 PM
I called 3 dealers in Colorado Springs, 4 in Denver, they all told me it was a discontinued part.  Am planning on switching to vacuum brakes this summer.

Our plan too with the 5 speed swap.

A failing PMIII and Austin, Texas drivers make for an anxiety filled trip just going up the street. LOL

White93z34

#5
May 08, 2009, 07:29:25 AM
Quote from: GPChief on May 07, 2009, 07:14:46 PM
I called 3 dealers in Colorado Springs, 4 in Denver, they all told me it was a discontinued part.  Am planning on switching to vacuum brakes this summer.

at this time It most certainly is not discontinued. most dealers cannot look it up due to the age/obscure nature of the car, there is a current part number posted around here somewhere, my local chevy dealer can still get it in for me.

Now that I have driven vacuum and PMIII cars I can say I would never swap PMIII for the vacuum stuff. PMIII has superior stopping power over the vacuum brakes. It just takes a learning curve and sometimes a bit more money to fix right, but it is worth it to me. I'd rather spend the money then go through all the work to swap in an inferior braking system.
-Chris D.


1992 Chevrolet Lumina Z34 3.4L TDC Hydramatic 4T60E
1990 Pontiac Turbo Grand Prix 3.1L v6 Hydramatic 4T60
1997  Pontiac Bonneville SSE 3.8L v6, Hydramatic 4T60E
1987 Chevrolet Camaro 5.0L v8, Hydramatic 700R4

stargazer7467

#6
May 08, 2009, 10:13:18 AM
yeah my dealer wasa ble to pul it right up, had to get it from vintage parts however (VPI), $154 iirc.
W41 Quad4, 3.1 Turbo x2 FTW!!

GPChief

#7
May 09, 2009, 09:47:10 AM
So what is this mystery part number I need to be using?
2004 GTP -  3.8 Blown - Only modding for MPG.
1997 GTP  - 3.8 Blown - Too many mods to list.
1996 GTP - 3.4 DOHC - Twin to my 1997.
1995 SE - soon to be a 3.8 turbo car.
1990 TSTE x 2 white cloth
1990 TSTE x 1 maroon leather
1990 TGP - 5 speed.

mfewtrail

#8
May 10, 2009, 01:47:01 AM
Quote from: GPChief on May 09, 2009, 09:47:10 AM
So what is this mystery part number I need to be using?

Gm Part # 88927271.
'93 SE, '90 Black/tan TGP, & '90 Red/tan TGP
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