[Vwdiesel] carbon/soot build up

[engle31 at comcast.net]

I guess a cheap re ring wouldn't be a bad idea since the block is on the workbench. Where is a reasonable place to order a ring set? And gasket set?
That way I kinda know what I have to start with once put back together.

-------------- Original message -------------- 
From: James Hansen <jhsg at sasktel.net> 

> If easily removed, and soft, it's normal. If hard, and like instant 
> coffee granules, look at compression and injectors. 
> 
> Bad injectors are usually visible on the glow plugs, as excessive firey 
> breath blowing on one part of the plug leaves marks. 
> 
> Bad rings just leaves hard soot from low compression and poor quality burn. 
> 
> Soot on the head isn't that definitive, compression tests and the like are. 
> 
> If it's all apart, it's not a big deal to scuff it and slide in a set of 
> rings. 
> 
> Trick with trying this block, and that block, if neither is actually 
> tested, they are not really known to be good either, so if it's in good 
> shape with not overly worn bores, a quick rebuild is pretty easy at this 
> point, and not terribly expensive. IT's a realy pita to get it 
> installed, then have to yard it out again or try to do inframe work. 
> -james 
> 
> 
> 
> -James 
> 
> engle31 at comcast.net wrote: 
> > No gooey soot, just hard, dried soot. It was an even amount across all 
> cylinders and valve areas. I haven't checked the backside of the valves, that's 
> next on the list. I was just wondering if the soot build up condition was an 
> indicator of bigger issues. 
> > 
> > It had a 3 notch headgasket installed. I guess I could measure to ensure the 
> proper headgasket was used last time it was replaced. 
> > 
> > I have another block I could maybe use, it had a bad head that was removed 
> some time ago and has been sitting open without a head in place. 
> > decissions, decissions! 
> > -------------- Original message -------------- 
> > From: LBaird119 at aol.com 
> > 
> >> In a message dated 8/8/2006 8:17:26 AM Pacific Standard Time, 
> >> engle31 at comcast.net writes: 
> >> 
> >>> I pulled the head on my 1.6 na last evening to replace the headgasket and 
> >>> waterpump before installing the motor in my Caddy. The underside of the head 
> >>> wasthick with a carbon/soot build up around the valves in the pattern of the 
> >>> headgasket. Each set of valves per cylinder had this thick build up. I 
> needed 
> >>> a razor blade to scrape it away. 
> >>> 
> >>> Is this normal? The motor has some miles on it, but it did run before it was 
> >>> pulled from the Rabbit I scrapped. I've seen other heads that one could use 
> >>> sone cleaner to clean up the underside of the head. I'm just wondering if 
> >>> this is a sign of something else that should be replaced/repaired. 
> >>> 
> >>> Also are the hex headed headbolts, stretch or non-stretch type bolts? 
> >>> 
> >> 
> >> When they're gunky (usually kinda gooey too) it's generally not 
> >> running right. Bad injectors, low compression, burning oil past 
> >> rings or valves or bad valve adjustment. COULD be from loafing 
> >> the engine also. Never heats up enough or runs fast enough to 
> >> really keep it clear. How are the back sides of the valves? They 
> >> might be so coked up that they'll need cleaned too. 
> >> Hex bolts are 11mm non stretch. 
> >> Loren 
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