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Losing coolant
10-23-2008, 15:59
Post: #16
Losing coolant
I have trouble reconciling that with what I've seen - 15000 miles with virtually
no coolant addition required (except the very short period after I worked on the
heating system), then 550 miles with 5 quarts used. The 15000 included a lot of
nights colder than anything I've experienced in the past couple of weeks.

I see these possiblities:

unlikely: flowing into the crankcase
unlikely: flowing into the transmission
unlikely: burped some long-standing air pocket
possible: flowing into the cylinders and going out the exhaust
higher possible: hose leak under pressure
higher possible: pressure cap bad

The last one is easy to preemptively fix, and if I still lose fluid it is on to
the pressure tester you recommended. After that?

If I replace the cap and then lose no fluid I will assume either 3 or 6 was
correct, and I won't care which it was.

Don Bradner
90 PT40 "Blue Thunder"
Posting today by satellite from Hilton Head, South Carolina
My location: http://www.bbirdmaps.com/user2.cfm?user=1

On 10/23/2008 at 11:36 PM David Brady wrote:

>Don,
>
>At some point I think you mentioned pre-warming your engine
>to 100 deg F prior to start, otherwise you get tons of smoke
>out the exhaust. Randy mentioned that the 2-stroke diesels
>will leak coolant into the cylinders when cold due to o-ring
>shrinkage on the liners. Maybe this is what your seeing.
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Messages In This Thread
Losing coolant - Don Bradner - 10-23-2008, 03:26
Losing coolant - Pete Masterson - 10-23-2008, 05:02
Losing coolant - Leroy Eckert - 10-23-2008, 05:14
Losing coolant - David Brady - 10-23-2008, 05:29
Losing coolant - Gregory OConnor - 10-23-2008, 06:09
Losing coolant - David Brady - 10-23-2008, 06:38
Losing coolant - Don Bradner - 10-23-2008, 07:17
Losing coolant - jim riordan - 10-23-2008, 07:26
Losing coolant - Pete Masterson - 10-23-2008, 09:00
Losing coolant - Joyce and Richard Hayden - 10-23-2008, 12:32
Losing coolant - Leroy Eckert - 10-23-2008, 13:17
Losing coolant - Don Bradner - 10-23-2008, 14:05
Losing coolant - Rob Robinson - 10-23-2008, 14:07
Losing coolant - Leroy Eckert - 10-23-2008, 14:55
Losing coolant - Gregory OConnor - 10-23-2008, 15:20
Losing coolant - Don Bradner - 10-23-2008 15:59
Losing coolant - David Brady - 10-23-2008, 16:36
Losing coolant - Kurt Horvath - 10-23-2008, 16:39
Losing coolant - patticake592000 - 10-24-2008, 01:18
Losing coolant - Pete Masterson - 10-24-2008, 06:57
Losing coolant - Don Bradner - 10-24-2008, 07:18
Losing coolant - Gregory OConnor - 10-24-2008, 09:21
Losing coolant - Pete Masterson - 10-24-2008, 09:30
Losing coolant - Don Bradner - 10-24-2008, 09:42
Losing coolant - Fred Hulse - 10-24-2008, 10:24
Losing coolant - Gregory OConnor - 10-24-2008, 10:28
Losing coolant - Gregory OConnor - 10-24-2008, 10:51
Losing coolant - Leroy Eckert - 10-24-2008, 11:19
Losing coolant - Fred Hulse - 10-24-2008, 12:09
Losing coolant - Don Bradner - 10-24-2008, 12:25
Losing coolant - David Brady - 10-24-2008, 13:08
Losing coolant - Leroy Eckert - 10-24-2008, 14:14
Losing coolant - Don Bradner - 10-24-2008, 14:25
Losing coolant - Leroy Eckert - 10-24-2008, 14:27
Losing coolant - Don Bradner - 10-24-2008, 14:56
Losing coolant - Joyce and Richard Hayden - 10-24-2008, 15:28
Losing coolant - Joyce and Richard Hayden - 10-24-2008, 15:34
Losing coolant - Leroy Eckert - 10-24-2008, 15:40
Losing coolant - Joyce and Richard Hayden - 10-24-2008, 16:18
Losing coolant - Gregory OConnor - 10-24-2008, 17:35
Losing coolant - Don Bradner - 10-25-2008, 09:18
Losing coolant - Joyce and Richard Hayden - 10-25-2008, 14:32
Losing coolant - Don Bradner - 10-25-2008, 14:55
Losing coolant - Rob Robinson - 10-25-2008, 15:01
Losing coolant - David Brady - 10-25-2008, 17:04
Losing coolant - Don Bradner - 10-26-2008, 03:56
Losing coolant - Leroy Eckert - 10-26-2008, 04:23
Losing coolant - jvredden@... - 10-26-2008, 04:27
Losing coolant - Don Bradner - 10-26-2008, 09:25
Losing coolant - Leroy Eckert - 10-26-2008, 10:08
Losing coolant - Kurt Horvath - 10-26-2008, 10:33
Losing coolant - Kurt Horvath - 10-26-2008, 10:36
Losing coolant - Kurt Horvath - 10-26-2008, 10:41
Losing coolant - ronmarabito2002 - 10-26-2008, 13:13
Losing coolant - Don Bradner - 10-29-2008, 03:46



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