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Date:         Tue, 30 Aug 2011 01:21:37 -0700
Reply-To:     Larry Steffen <larry@STRATOFEX.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Larry Steffen <larry@STRATOFEX.COM>
Subject:      Re: Follow-up odd noise on new gowesty engine
Comments: To: Dennis Haynes <d23haynes57@HOTMAIL.COM>
In-Reply-To:  <BAY152-ds5A2A0D8CA88C8F9116E4DA0170@phx.gbl>
Content-Type: text/plain; charset=us-ascii

And I also hear a clunking noise after new Van Cafe headers installed which baffled me. I thought it was my new shocks but now see it is the new Van Cafe headers. I have pulled the headers off and van has been sitting while I visualize the premo stainless headers. The cost of maintaining a classic Westie keeps climbing.

Sent from my iPad.

On Aug 29, 2011, at 7:39 PM, Dennis Haynes <d23haynes57@HOTMAIL.COM> 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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