[Healeys] OD problems--BJ8

[David Nock]

The overdrive solinoid adjustment has probably slipped. Not raising the operating rod sufficently.


David Nock
British Car Specialists
209-948-8767
www.britishcarspecialists.com



From: Bob Spidell 
Sent: Monday, March 07, 2022 7:43 AM
To: healeys at autox.team.net 
Subject: Re: [Healeys] OD problems--BJ8

Either MTL or straight 30 oil should work fine. Sounds like a hydraulics issue. First, check your oil level. If OK, if you can, take your car to the shop that rebuilt it; they should at least be willing to help you diagnose the problem. If not possible, you'll need to check pump pressure; you need a gauge and adapter to check it. If you don't have a shop--or a club or helpful Healey owner nearby--that can test it you can get a gauge: http://www.geocities.ws/jholekamp/

The pump shouldn't wear that fast; it's possible a piece of crud got under the pump check valve or something went wrong in the accumulator. Flushing your oil--check the screen under the big brass nut--might help, but it's not likely. Did the problem happen suddenly, or over time/miles?



On 3/7/2022 6:53 AM, Tom Felts via Healeys wrote:

  Several months ago I had the OD unit rebuilt (BJ8)---new brass parts.  Added 30w non detergent oil.  At first, it would shift into OD pretty quick.  Now--it take forever to go into OD----a minute or more.  Coming out of OD is instantaneous.  

  The question is why so long to go into OD.  Before rebuild, it would go into OD quickly and perfectly every time.  I was using Redline MTL then.  

  Could the 30 wt be a little too heavy and be creating pressure problems.  Might the MTL solve the problem?

  Thnks
  tom

   




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