RE: Re: sick 'roc

[Kevin <aventari@cts.com>]

That actually really sounds like a plugged up cat now. Have you put a
vacuum gauge on the engine and ran it? try that before you waste money on
ND! Bently will tell you what to look for w/ the gauge, but for 15 bucks
it's worth a try

At 11:08 AM 2/25/99 +0100, you wrote:
>
>Well here's an update/more info.
>
>first off, injector seals are new, both cam timing and ignition timing 
>have been triple checked and are on the mark. 
>
>The problem is most noticable when driving, there is very little power.  
>It takes forever to get up to speed. Also is has a kind of "shuddering" 
>of the engine that is constant, rpm dependant, and more intense the more 
>torque I put to the wheels. It feels like a cylinder is missing/not 
>giving power.  At idle, this shudder is still there, but *barely* 
>noticable.  
>
>Furthermore, the exhaust is really stinky. Not sure if it's unburnt fuel 
>or oil, or what. And the  exhaust get hot really quick. 
>
>I am dropping it off at ND tonight, and hopefully they can figure it out. 
>
>
>I am fearing broken piston rings. Hoping otherwise. But well see. 
>
>Jonas
>
>85 Sickrocco :-(
>
>
>Wm. Josiah Erikson wrote:
>>I'd check your ignition timing. Overadvanced ignition timing could 
>possibly
>>cause this. Does it limp at idle, too? Check your injectors, injector
>>seals... did you check them out when you took the head off?
>>    Good luck!
>>    -Josiah
>>
>
>
>
>
>>Jonas Karlsson wrote:
>>
>>> My scirocco is sick :-(
>>>
>>> Last week it suddenly (first noticed it after start up 
>>following a 3-4
>>> hour rest) developed a scary problem. It has no power, and it 
>>shudders
>>> when torque is put to the wheels (from the engine, like a 
>>cylinder is
>>> missing). Also it seems to get hot real quick (not overheating, 
>>just
>>> heats up much quicker. After just a 5 minute drive, the exhaust 
>>is
>>> "crackling" and "ticking" the way it usually does after a good 
>>long
>>> drive).
>>>
>>> I checked plugs, wires, injector flow, and compression. Plugs 
>>and wires
>>> were fine (both are also 1 month old), injectors all flowed 
>>with a nice
>>> pattern, compression showed one cylinder as having 20 psi lower 
>>than the
>>> other 3, which were at 180. I put a tablespoon of oil into the 
>>cylinder
>>> to see if it changed, but it did not. I decided to pull the 
>>head. Upon
>>> inspection, it appeared as if there was exhaust blow-by at the 
>>cylinder
>>> with low compression. Also the cylinder head showed some 
>>pitting where
>>> the head gasket seats. The head had already been resurfaced to 
>>give a
>>> higher CR, so I decided to try to find another head at the 
>>junkyard. I
>>> had the new head resurfaced (gave it a 9.5:1 CR). Put it all on 
>>last
>>> night. Started her up at 11:00. Problem is still there. WTF.
>>>
>>> Needless to say I'm frustrated and going through 'rocco 
>>withdrawal. I
>>> called ND and they will take a look at it on Friday. Tonight I 
>>will take
>>> another look to see what I can see. I will check the 
>>compression again.
>>>
>>> Any ideas/suggestions as for what to look out for. Fuel seems 
>>to be
>>> getting there, I havn't checked for spark, but the plugs, 
>>wires, cap,
>>> rotor are all really new (<4months old). What else. Timing is 
>>on the
>>> mark. Cam timing is a possible source of problem. I have an 
>>adjustable
>>> cam sprocket to counter the retard caused by the shaved head. 
>>I'm pretty
>>> sure that the timing lined up, but it is entirely possible that
>>> somewhere it is one tooth off. What are the symptoms of that? 
>>Could that
>>> be it?? I'll triple check tonight.
>>>
>>> Please help me ressurect my rocco.
>>>
>>> TIA
>>>
>>> Jonas
>>>
>>> 85 Sickrocco  :-(
>>>
>
>
>
>
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>
>
>

Kevin Fry -- computer nerd!
'81 Scirocco S 1.8l
'80 Scirocco 0.0l

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