[Vwdiesel] 1981 n/a Jetta

[James Hansen]

Only real thing that seems to get missed alot is the intermediate shaft 
bearings.  Other than that, it's just an engine...
-James

Terry Briggs wrote:
> I'm competent at engine rebuilds, I rebuild several old vw and porsche 
> air cooleds every year and have rebuilt more than a few V8's, just 
> never opened up a vw diesel block. I know I've heard through here about 
> the minor cracks around the valves.  Are there any issues with cracks 
> at the crank journals ?I figure I'll do a compression test prior to 
> pulling the head off just to see where I'm at for a starting point. 
> Does the bentley have diameter specs as far as crank journals and the 
> like. On your advice I'll probably have the head and block magna fluxed 
> to check it out completely.  does anyone know what color the stock 
> blocks are, I think they are black like the gasser, but I might get 
> creative and go with something a bit more flashy to spruce it up a 
> little. It will be an entire winter project, so I'll have time to do it 
> right the first time { I hope }
> On Oct 1, 2006, at 9:13 PM, Doyt W. Echelberger wrote:
> 
>> At 01:45 PM 10/1/2006, you wrote:
>>> Just got a 1981 n/a jetta with a good engine and tranny. The body is
>>> shot, lots of rust in the rear door arches. I do believe it's a 1.6.
>>> Could it be a 1.5 ? if it is, would it still work as a spare motor and
>>> tranny for my '86 Golf. The engine is fairly low miles at around 170k,
>>> no leaks and ran great last time it was started several years ago. My
>>> plan is to just rebuild it and then drop it in my golf and then 
>>> rebuild
>>> that engine. What should I look for upon tear down.
>> Cracks between valve seats, burned valves, broken valve springs, worn 
>> parts, scuffed/out-of-round cylinder walls, out-of-spec cranks, 
>> cracked blocks/heads, head warpage. You could consider having the 
>> engine cleaned and checked at a machine shop. Talk to a specialist at 
>> such a shop, at least.
>>
>> Specific answers would involve lots of details that would be found in 
>> a manufacturers service manual. You would disassemble, clean, measure 
>> everything, and address out-of-spec conditions, then reassemble and 
>> test.
>>
>> Here is a typical reference to diesel engine rebuilds......not 
>> specifically VW, but widely available and probably can be obtained 
>> from a public library. It will give you an idea of what is entailed.
>>
>> http://www.themotorbookstore.com/diesenrepman.html
>>
>>
>> Perhaps you could consider enrolling in a community college course for 
>> diesel engine overhauls. Below is a general outline of such a course:
>>
>> Small Diesel Engine Overhaul course will include topics such as:
>>    * The operation of small diesel engines
>>    * Systems disassembly procedures and parts cleaning
>>    * Inspecting
>>    * Use of measuring instruments
>>    * A assembly procedures
>>    * Injector testing, tune-up procedures and dyno testing procedures.
>> Please Note - Participants will be responsible for safety footwear, 
>> work clothes and safety glasses. Manufactures' service manuals and 
>> handouts will be provided to the participant.
>>
>> This course offers a hands-on experience overhauling a diesel engine 
>> and functions much like a diesel engine repair shop. Students will 
>> individually disassemble, inspect, and rebuild at least one diesel 
>> engine. Emphasis is placed on component identification, measuring, 
>> inspection, analyzing wear, and detecting parts failure. Students are 
>> introduced to various methods for cleaning parts using the latest 
>> cleaning technology as well as identifying fasteners and using 
>> measuring and hand tools. Particular attention is given to attendance, 
>> quality of work, productivity during class time and the ability to 
>> follow detailed written procedures from service manuals. Shop safety 
>> is also stressed.
>>
>>
> 
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