Date: Tue, 29 Dec 2015 15:43:29 -0700
Reply-To: OlRivrRat <OlRivrRat@COMCAST.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: OlRivrRat <OlRivrRat@COMCAST.NET>
Subject: Re: Dodged a bullet -- blowed the oil filter right off Why,
I'll tell you BTW
In-Reply-To: <5682EE29.3020307@gmail.com>
Content-Type: text/plain; charset=us-ascii
Appears as though the Bosch 3300 does fit some Saabs > 05-06 9-2X that are Subaru powered & have a M20X1.5 Thread ~
On 29 Dec , 2015, at 1:33 PM, Rocket J Squirrel wrote:
> So the FLAPS counterman that originally said that the correct filter for a Saab 900 would be a Bosch 3300 was inaccurate? That might explain the problem. It was from that part number that I got the cross to the WIX filter which was blowed off.
>
> --
> Jack "Rocket j Squirrel" Elliott
> 1984 Westfalia, auto trans,
> Bend, Ore.
>
> On 12/29/2015 09:56 AM, OlRivrRat wrote:
>> According to the WIX LookUp the Correct Filter for a Saab 900 would be
>>
>> a 51348XP which has 3/4-16 Threads ~
>>
>> According to the Bosch LookUp the Correct Filter for a Saab 900 would be
>>
>> a D3421 which has 3/4-16 Threads ~
>>
>> According to The Bosch LookUp the Correct Filter for a Vanagon 2.1L would
>>
>> Also Be a D3421 ~
>>
>>
>> On 29 Dec , 2015, at 10:31 AM, Rocket J Squirrel wrote:
>>
>>> Okay, Chris tencentlife sent me a fresh copy of the oil cooler kit
>>> installation instructions. For the filter, it says,
>>>
>>> "The filter to fit any year Saab 900 or 9000 will fit and has the
>>> correct specs for the wbx."
>>>
>>> It was the counterman at the local FLAPS who determined that the Bosch
>>> 3300 is what I'm looking for.
>>>
>>> Right threads or no?
>>>
>>>
>>> On 12/28/2015 08:17 PM, Dennis Haynes wrote:
>>>
>>>> So let's get back to your failure. You have an oil pressure gauge. Do
>>>> you use it?
>>>
>>> I do. And I was aware that oil pressures were higher than normal with
>>> this summer oil in the engine.
>>>
>>>> The most important time for using one is just after start
>>>> up and during warm up. As you drove off did you notice unusually high
>>>> oil pressure?
>>>
>>> Sure I did, but no more unusual than the morning temps I've been seeing
>>> this winter -- with that thick summer oil in the engine.
>>>
>>>> Is your gauge capable of reading abnormally high
>>>> pressure or does it only go to 70psi? I choose the 150 psi gauges
>>>> for a reason.
>>>
>>> It's a 150 psi gauge. I confess that I wasn't watching the oil pressure
>>> gauge when I pulled out onto the street, I was dealing with icy roads
>>> and oncoming traffic, which drew my attention. So I can't say what it said.
>>>
>>> It's when I do things like this that I realize that the only reason I've
>>> managed to live to the age of 65 must have more to do with luck than brains.
>>>
>>> --
>>> Jack "Rocket j Squirrel" Elliott
>>> 1984 Westfalia, auto trans,
>>> Bend, Ore.
>>>
>>> On 12/28/2015 08:17 PM, Dennis Haynes wrote:
>>>> 3/4-16 is the thread size you want.
>>>>
>>>> Sorry Dennis
>>>>
>>>>
>>>> -----Original Message----- From: Vanagon Mailing List
>>>> [mailto:vanagon@gerry.vanagon.com] On Behalf Of Dennis Haynes Sent:
>>>> Monday, December 28, 2015 11:15 PM To: vanagon@GERRY.VANAGON.COM
>>>> Subject: Re: Dodged a bullet -- blowed the oil filter right off Why,
>>>> I'll tell you
>>>>
>>>> I had limited time before but I wanted to get that wrong oil filter
>>>> out there so all can stop wondering. How or why did I go here? This
>>>> is not the first time nor the first vehicle I have seen this happen
>>>> to. It is an error more common than one would expect. There are a
>>>> bunch of oil filter/engine combinations that seem to work but under
>>>> some conditions will fail. So I looked up the two filter numbers you
>>>> provided and they both have the 20mm thread. You say this was
>>>> recommended to you. Is that in writing? Imagine that failure causing
>>>> an engine failure or worse an accident, fire, or environmental
>>>> concern. As for oil filter sandwich adapters they usually use the
>>>> same thread on both ends, the goal is to fit between the engine and
>>>> the filter using the same filter.
>>>>
>>>> So let's get back to your failure. You have an oil pressure gauge. Do
>>>> you use it? The most important time for using one is just after start
>>>> up and during warm up. As you drove off did you notice unusually high
>>>> oil pressure? Is your gauge capable of reading abnormally high
>>>> pressure or does it only go to 70psi? I choose the 150 psi gauges
>>>> for a reason. Watching cold oil pressure is sometimes more important
>>>> than hot oil pressure, especially if a relief valve fails. Here is a
>>>> weird one! Oil rises and water sinks to the bottom. So if you have an
>>>> engine with a lot of condensation in the crankcase (it happens) in
>>>> really cold weather the oil pump inlet may be blocked with ice. No
>>>> oil pressure! The old beetle engines had the screen designed to pull
>>>> down out of the way for this in addition in case they were clogged
>>>> with dirt. I have seem more engine damage or other failures from cold
>>>> weather operation than you can imagine. I've seen broken pump shafts,
>>>> seals actually pushed out, spun bearings, etc. And not just on
>>>> Volkswagens! Keep in mind this is not full time work for me. After
>>>> the filter went lose you would have also seen the pressure gauge
>>>> fluctuate long before the total oil loss. The oil light did its job.
>>>> The later vans with the dynamic oil pressure warning system may have
>>>> even given an earlier warning looking for a higher oil pressure above
>>>> 2,000 rpm. The buzzer would also get your attention. This is why
>>>> manufacturers don't always give us gauges.
>>>>
>>>> Now let's look at some engineering options. Since you have an 84 you
>>>> don't have any original oil cooler. The only reason you need a short
>>>> filter is to clear the exhaust. At some point the exhaust has or will
>>>> need to be replaced. Using the engine pipes from the 2.1L will allow
>>>> the normal oil filter. The 2 engine pipes, collector, and J-pipe will
>>>> mate to the 1.9 catalyst and muffler. The GoWesty stainless pipes can
>>>> be a reasonable cost longer life option. I'm done with Dansk, this is
>>>> all I install now. Ultimately you can replace the rear engine bracket
>>>> and go 2.1L exhaust all the way. You could also do an oil filter
>>>> relocation. Replace the filter with an adapter to hoses and mount the
>>>> filter on a stand-alone mount. Use an in line thermostat for the
>>>> cooler. This can allow an even larger filter.
>>>>
>>>> Why think of filter size? Filters are designed to work in a certain
>>>> flow range. While most think a smaller filter is adequate if there is
>>>> not a problematic pressure drop they are missing a major point. A
>>>> smaller filter means the oil has to pass through at a higher
>>>> velocity. Filters stop some dirt on the surface but also through the
>>>> depth of the media. Faster flow means more of the dirt can get pushed
>>>> through. Look at furnace or air conditioning filters and note the
>>>> dirt on the filtered side. Also, the smaller filter will have less
>>>> capacity for accumulation. Not a super issue for our engines but
>>>> something to consider.
>>>>
>>>> Dennis
>>>>
>>>>
>>>>
>>>>
>>>> ----Original Message----- From: Vanagon Mailing List
>>>> [mailto:vanagon@gerry.vanagon.com] On Behalf Of Rocket J Squirrel
>>>> Sent: Monday, December 28, 2015 9:41 PM To:
>>>> vanagon@GERRY.VANAGON.COM Subject: Re: Dodged a bullet -- blowed the
>>>> oil filter right off Why, I'll tell you
>>>>
>>>> Okay, so can someone point me to a website that provides threading
>>>> and dimensional specs for our kinds of filters? I need a filter about
>>>> the same diameter as the stock 1.9L filter, about an inch or so
>>>> shorter, to accomodate the reduced space that the banjo fitting takes
>>>> up, and has the right threading -- whatever it is that I'm looking
>>>> for.
>>>>
>>>> It's been a long time since I installed the oil cooler kit. I don't
>>>> recall whether the fitting that goes between the engine and the oil
>>>> filter has its own male and female threaded bits, and whether the
>>>> sticky-out part that the filter mates with is the same threading as
>>>> what comes out of the engine. But I'm pretty sure that tencentlife
>>>> recommended the Bosch 3300 and crosses.
>>>>
>>>> Anyone got an email for tencentlife?
>>>>
>>>> -- Jack "Rocket j Squirrel" Elliott 1984 Westfalia, auto trans, Bend,
>>>> Ore.
>>>>
>>>> On 12/28/2015 06:22 PM, Dennis Haynes wrote:
>>>>> The reason the filter blew off the threads is because it is the
>>>>> wrong one. The vanagon and many VW's of that error used a 3/4"
>>>>> thread. This is common to many vehicles back then especially Ford
>>>>> and some Chrysler. The filters you are using have a 20mm thread.
>>>>> Yes it almost fits but it is a very loose fit and the thread pitch
>>>>> is wrong. 20mm threads are common on many GM and some European
>>>>> vehicles. Now go get a filter at least with the correct thread.
>>>>>
>>>>> Dennis
>>>>>
>>>>>
>>>>> -----Original Message----- From: Vanagon Mailing List
>>>>> [mailto:vanagon@gerry.vanagon.com] On Behalf Of Rocket J Squirrel
>>>>> Sent: Monday, December 28, 2015 7:01 PM To:
>>>>> vanagon@GERRY.VANAGON.COM Subject: Dodged a bullet -- blowed the
>>>>> oil filter right off
>>>>>
>>>>> Okay, so it's my fault, but I think I lucked out.
>>>>>
>>>>> As temperatures drop down the freezing, and below, I change my
>>>>> engine oil to 10-40, a thinner grade. But this winter I got lazy. I
>>>>> admit it, I got lazy.
>>>>>
>>>>> Well, one cold morning last week I started the van and trundled
>>>>> down the street to go downtown, and was about a 1/2 mile from home
>>>>> when I noticed that the idiot light for the oil pressure was lit.
>>>>> And the aftermarket oil pressure gauge I installed a few years ago
>>>>> was at zero. They don't share the same sender or anything so I knew
>>>>> it was serious.
>>>>>
>>>>> I pulled off the main road and got out and looked behind the van
>>>>> and sure enough, a trail of oil behind me leading up to a small
>>>>> puddle under the engine.
>>>>>
>>>>> Triple-A flatbedded the van to Gary's Ole Volks Home here in Bend,
>>>>> and after an hour he called me and said that the oil filter had
>>>>> plain blowed off.
>>>>>
>>>>> So here's what happened: at these low temperatures, I reckon that
>>>>> the thicker summer oil was as thick as pine sap -- maybe amber --
>>>>> resulting in very high oil pressure.
>>>>>
>>>>> The oil filter was not the stock one that I use. I installed a
>>>>> tencentlife oil cooler kit a few years ago, and it uses a banjo
>>>>> fitting that goes between the filter and the engine for oil send
>>>>> and receive (thermostat in there, too). The stock filter is too
>>>>> long to fit and he recommends a Bosch 3300, which I have been
>>>>> using.
>>>>>
>>>>> But the last time I replaced the filter, when I switched from
>>>>> winter to summer oil, the auto parts store was out of stock on the
>>>>> Bosch, and they offered the Wix. I never heard of Wix, but the guy
>>>>> said it was a good brand, so hey.
>>>>>
>>>>> Well, the mechanic was consternated by the shorter filter, said it
>>>>> was the wrong one, and that the threads looked like pipe threads. I
>>>>> picked up a new Bosch on my way over and took at look at the Wix,
>>>>> comparing it to the Bosch, and the threads in the Wix looked pretty
>>>>> poor.
>>>>>
>>>>> So I think I lucked out here. That high oil pressure was gonna
>>>>> blow out something, I'm just glad that it was a $6 oil filter.
>>>>> Otherwise, $75 for the work, nothing (other than subscription to
>>>>> Triple-A) for the tow. It could have been a lot worse.
>>>>>
>>>>> Engine sounds fine, I hope no damage was done.
>>>>>
>>>>> And what's the lesson, kids? Don't skip maintenance. And distrust
>>>>> Wix filters.
>>>>>
>>>>> -- Jack "Rocket j Squirrel" Elliott 1984 Westfalia, auto trans,
>>>>> Bend, Ore.
>>>>>
>>
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