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Total 22 documents matching your query.

1. [Healeys] BN6 Overdrive (score: 1): Author: nmcd10 at gmail.com (Neil McDonald); Date: Mon, 2 Jan 2017 18:56:57 +0000; One of my New Years resolutions, before I put the car back on the road after sitting in the garage for several years, is to fix the overdrive so the car is comfortable highway driving. It once (and o; /html/fot/2017-01/msg00184.html (8,908 bytes)
2. [Healeys] BN6 Overdrive (score: 1): Author: michaelsalter at gmail.com (Michael Salter); Date: Mon, 2 Jan 2017 16:09:41 -0500; Hi Neil, I would definitely recommend the* "is the valve ball lifting by at least 1/32 inch when the solenoid is actuated?" method.".*... that is critical. If you have the 390 p.s.i. and it operated; /html/fot/2017-01/msg00186.html (11,205 bytes)
3. [Healeys] BN6 Overdrive (score: 1): Author: bspidell at comcast.net (Bob Spidell); Date: Mon, 2 Jan 2017 13:11:48 -0800; The OD and gearbox share fluid supply. Take the car out for a run to get the fluid warmed-up, then get it up on a rack--preferably--or SAFELY on jackstands, as high as they'll go. There is a dipstick; /html/fot/2017-01/msg00187.html (11,212 bytes)
4. [Healeys] BN6 Overdrive (score: 1): Author: nmcd10 at gmail.com (Neil McDonald); Date: Mon, 2 Jan 2017 23:08:15 +0000; Thanks for the replies so far. Pleased that nobody yet is suggesting OD internal mechanical problems. What about cleaning out the mysterious oil passage that might be blocked? I concluded that electr; /html/fot/2017-01/msg00188.html (13,268 bytes)
5. [Healeys] BN6 Overdrive (score: 1): Author: YNOTINK at msn.com (WILLIAM B LAWRENCE); Date: Mon, 2 Jan 2017 23:31:14 +0000; If the OD engages when cold, but disengages when it warms up your problem could be with leakage through the o-rings that seal the accumulator body to the housing. It's an easy fix, but removing the a; /html/fot/2017-01/msg00189.html (12,967 bytes)
6. [Healeys] BN6 Overdrive (score: 1): Author: 050.rpl at gmail.com (R. Lindsay); Date: Mon, 2 Jan 2017 18:57:35 -0500; I have had this issue. Looked at electrics and all OK. I cleaned out the passage/ ball valve and the OD has worked fine for 25+ years. Price Lindsay Cell: 630-841-6300 Email: 050.rpl at gmail.com Sen; /html/fot/2017-01/msg00190.html (15,225 bytes)
7. [Healeys] BN6 Overdrive (score: 1): Author: healeydoc at sbcglobal.net (David Nock BCS); Date: Mon, 2 Jan 2017 16:10:21 -0800; The oil bypass in the operating rod will not cause you this problem. If it is plugged the overdrive will be slow to disengage. Like Mike said the most likely problem is the adjustment of the solenoid; /html/fot/2017-01/msg00191.html (15,187 bytes)
8. [Healeys] BN6 Overdrive (score: 1): Author: nmcd10 at gmail.com (Neil McDonald); Date: Tue, 3 Jan 2017 00:39:11 +0000; By referencing the check valve on the side of the pump, David Nock has taken me into new and uncharted territory! I assume this valve is totally different from the ball lifted by the OD actuating lev; /html/fot/2017-01/msg00192.html (16,082 bytes)
9. [Healeys] BN6 Overdrive (score: 1): Author: austinhealeyslist at gmail.com (Austin Healeys List); Date: Tue, 3 Jan 2017 14:15:01 +1300; Why not run it on axle stands with the transmission cover off, then you can manually shift the lever. There is a distinct resistance at the point right before the ball lifts off its seat caused by th; /html/fot/2017-01/msg00193.html (10,977 bytes)
10. [Healeys] BN6 Overdrive (score: 1): Author: jstmorris at yahoo.com (J. Scott Morris); Date: Tue, 3 Jan 2017 01:38:42 +0000 (UTC); Good Day Neil and welcome to 2017The attached OD Trouble Shooting Flow Chart may be of some help in figuring out what the problem is.Good Luck --Scott Morris; Simcoe, Ontario, Canada - Keep Smiling,; /html/fot/2017-01/msg00194.html (11,409 bytes)
11. [Healeys] BN6 Overdrive (score: 1): Author: michael.salter at gmail.com (michael.salter at gmail.com); Date: Tue, 3 Jan 2017 14:03:14 +0000 (UTC); Yes Neil, David is referring to the pump non return valve however if you are able to confirm that you have 390 p.s.i. in the overdrive that valve is not in need of checking. Michael S BN1 #174 Correc; /html/fot/2017-01/msg00198.html (15,388 bytes)
12. [Healeys] BN6 Overdrive (score: 1): Author: nmcd10 at gmail.com (Neil McDonald); Date: Tue, 3 Jan 2017 15:02:06 +0000; Wonderful feedback. Thanks everyone. I have concluded that the most likely cause of my problems are low OD fluid levels and/or inadequate opening of the actuating valve. Both I can readily deal with.; /html/fot/2017-01/msg00199.html (18,838 bytes)
13. [Healeys] BN6 Overdrive (score: 1): Author: rick at ewilkins.com (Rick Wilkins); Date: Tue, 3 Jan 2017 08:48:07 -0800; I've found that one of the simplest, and easiest to miss is the starting point of the actuating lever. Make sure it has a rubber rest attached to the flange. If that lever is too low from start, it w; /html/fot/2017-01/msg00200.html (20,239 bytes)
14. [Healeys] BN6 Overdrive (score: 1): Author: nmcd10 at gmail.com (Neil McDonald); Date: Wed, 4 Jan 2017 11:05:18 +0000; Yesterday I wrote "I have concluded that the most likely cause of my problems are low OD fluid levels and/or inadequate opening of the actuating valve. Both I can readily deal with." In off line disc; /html/fot/2017-01/msg00208.html (9,472 bytes)
15. [Healeys] BN6 Overdrive (score: 1): Author: michaelsalter at gmail.com (Michael Salter); Date: Wed, 4 Jan 2017 09:53:26 -0500; Hi again Neil, With all due respects to Steve I would not suspect the accumulator because it is in the hydraulic circuit ahead of the operating valve. If the accumulator was leaking badly enough to p; /html/fot/2017-01/msg00210.html (11,674 bytes)
16. [Healeys] BN6 Overdrive (score: 1): Author: sbyers at ec.rr.com (BJ8Healeys); Date: Wed, 4 Jan 2017 10:46:36 -0500; Mike, what I mentioned to Neil is that both times I have had problems with my overdrive failing to engage, or engaging sluggishly, the problem was the accumulator. The first time it would engage when; /html/fot/2017-01/msg00211.html (12,278 bytes)
17. [Healeys] BN6 Overdrive (score: 1): Author: michaelsalter at gmail.com (Michael Salter); Date: Wed, 4 Jan 2017 11:47:48 -0500; Hi Steve, Best wishes for a Happy and Prosperous New Year. Yep those symptoms mostly make sense. *"The first time it would engage when cold, but not when hot. The accumulator walls were severely goug; /html/fot/2017-01/msg00212.html (16,650 bytes)
18. [Healeys] BN6 Overdrive (score: 1): Author: nmcd10 at gmail.com (Neil McDonald); Date: Wed, 4 Jan 2017 17:14:32 +0000; Well this is all a great OD education, so let me ask another question. Michael Salter said "If the accumulator was leaking badly enough to prevent the overdrive from engaging you would never see 390; /html/fot/2017-01/msg00213.html (9,650 bytes)
19. [Healeys] BN6 Overdrive (score: 1): Author: michaelsalter at gmail.com (Michael Salter); Date: Wed, 4 Jan 2017 12:23:40 -0500; Hi Neil, By testing without the ball and spring you would get a totally invalid result because oil would leak down the center of the operating valve push rod and out through the small pressure relief; /html/fot/2017-01/msg00214.html (10,819 bytes)
20. [Healeys] BN6 Overdrive (score: 1): Author: sbyers at ec.rr.com (BJ8Healeys); Date: Wed, 4 Jan 2017 18:02:56 -0500; Mike, the first O/D problem occurred shortly after I bought the car back in the '80s. I had no test gauge to check the pressures and didn't know much about the system anyway. The O/D would shift and; /html/fot/2017-01/msg00215.html (18,009 bytes)

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