Date: Mon, 29 Aug 2011 21:37:07 -0700
Reply-To: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Subject: Re: Follow-up odd noise on new gowesty engine
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
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not that bad.
undo the outer ends of the moustache bar.. (with a jack under the engine )
lower the engine some........support it well.
remove the muffler heat shield.
remove the moustache bar...
then you're looking at the rubber mounts right there.
----- Original Message -----
From: "John Goubeaux" <john@UCSB.EDU>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, August 29, 2011 8:33 PM
Subject: Re: Follow-up odd noise on new gowesty engine
> So, yes folks have mentioned this as an option. So the next obvious
> question is "how easy is it to swap out the rear engine mounts with the
> engine in the car" ?
>
> -john
>
> On 8/29/11 7:39 PM, Dennis Haynes wrote:
>> Yes I have been there a number of times. So far the fix has been to
>> replace
>> the rear mounts with OEM. The aftermarket ones still seem to have the
>> pipe
>> too close. Still mostly a pipe bending problem. I guess they got a bit
>> sloppy with that bend radius.
>>
>> Dennis
>>
>> -----Original Message-----
>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
>> Of
>> John Goubeaux
>> Sent: Monday, August 29, 2011 4:06 PM
>> To: vanagon@GERRY.VANAGON.COM
>> Subject: Follow-up odd noise on new gowesty engine
>>
>> Guys,
>>
>> This is an attempt to resurrect the discussion on what the cause of a
>> rear
>> exhaust header hitting the rear engine mount bar actually is.
>> Initially I suspected having replaced the engine mounts ( that were maybe
>> too thick) of the cause. I have since talked to one other person who also
>> replaced their exhaust headers with the Danish aftermark model ( also
>> purchased from VanCafe) and he IS having the same problem where when the
>> engine's movement causes the pipe to hit the rear engine mount bar. It
>> appears that maybe there was a "bad" batch of these pipes that do not fit
>> quite right and the clearance between the pipe and the bar is too small
>> causing the pipe to "clunk" up against the mount bar ?
>>
>> Has anyone else seen this ? I also suspect that eventually the pipe is
>> going
>> to crack from the clunking contact but not sure.
>>
>> -john
>>
>>
>> On 5/31/2011 5:11 PM, John Goubeaux wrote:
>>> I too suspected the rear engine mounts, however I replaced them with
>>> the new engine. I also got an opinion from another mechanic who
>>> indicated that everything looked like it was in order. Also, because I
>>> had another bad pipe and and a poorly cast collector knuckle ( all
>>> same aftermarket brand) I had to return I suspected the pipe bend.
>>> Maybe the new engine mounts are thicker, this would account for the
>>> rear engine mount bar being closer I think ? They did look a lot
>>> beefier than the old ones they replaced ?
>>>
>>> -john
>>>
>>> On 5/31/2011 4:52 PM, Jake de Villiers wrote:
>>>> John, I have had the Danish exhaust pipes on both my 1.9 and 2.1 with
>>>> no issues at all, so I'd tend to look for worn or broken engine
>>>> and/or transaxle mounts.
>>>>
>>>> Jake
>>>>
>>>> On Tue, May 31, 2011 at 3:35 PM, John Goubeaux<john@ucsb.edu
>>>> <mailto:john@ucsb.edu>> wrote:
>>>>
>>>> So , just to follow up on this thread I determined that the
>>>> "clunk"
>>>> noise I ( sometimes) hear when starting or stopping the engine is
>>>> the
>>>> rear exhaust header hitting the rear engine mount bar. I
>>>> replaced the
>>>> exhaust headers on the new engine (after marker Danish ones) and
>>>> along
>>>> with poor quality issues ( one of them had a cracked weld at the
>>>> flange)
>>>> it looks like the bend on the rear pipe comes too close to the
>>>> rear
>>>> engine mount allowing it to hit the mount bar. Not sure if I can
>>>> get a
>>>> muffler guy to fix this or not but at least i know what is
>>>> causing it.
>>>>
>>>> I'm surprised no one else has had this problem as well, as I
>>>> suspect a
>>>> lot of people are using the aftermarket pipes being sold. These
>>>> were
>>>> purchased from Van Cafe.
>>>>
>>>> -john
>>>>
>>>> Guys,
>>>>
>>>> I have roughly 500 + miles on a new GoWesty 2.2 engine that I
>>>> just
>>>> installed and am curious about an odd noise it makes, but
>>>> only when it
>>>> is warm, eg been brought up to temp. On startup, ie cranking,
>>>> just
>>>> before it starts and when turning of the engine there is a
>>>> small clunk
>>>> noise. Almost as if before and after ignition takes place a
>>>> compression
>>>> sound as the engine comes to a stop. The engine runs fine and
>>>> there are
>>>> no odd noises while running only at start and stop. I have
>>>> not been able
>>>> to listen to it back at the engine compartment yet but am
>>>> planning to do
>>>> so. Nothing is loose that can explain this and maybe it is a
>>>> normal
>>>> sound and is compression on these engines? Oddly it only
>>>> exhibits this
>>>> noise when hot though. Could it be a loose head? Sticking
>>>> valve?
>>>>
>>>> Logically I am being very careful to break it in properly and
>>>> am
>>>> listening and watching its behavior carefully and want to
>>>> ensure that
>>>> this is not something that is going to end up being an issue
>>>> down the
>>>> road.
>>>>
>>>> Any ideas ?
>>>>
>>>> -john
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Jake
>>>>
>>>> 1984 Vanagon GL 1.9 WBX - 'The Grey Van'
>>>> 1986 Westy Weekender/2.5 SOHC Subie - 'Dixie'
>>>>
>>>> Crescent Beach, BC
>>>>
>>>> www.thebassspa.com<http://www.thebassspa.com>
>>>> www.crescentbeachguitar.com<http://www.crescentbeachguitar.com>
>>>> http://subyjake.googlepages.com/mydixiedarlin%27
>>>>
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