[T2] T4 1700 questions

[Bob Reuter]

it has pushrod tube seals
and valve seats
but never heard of "valve seals" on a T4 engine

Bob


On Sat, 1 Sep 2018, Dave Gillingham wrote:

> Thanks!  I was looking around online about valve seals, and now wonder if
> the 1700T4 has them?
>
> On Sat, Sep 1, 2018 at 1:09 PM Bob Reuter <accessys at smart.net> wrote:
>
>>
>> good advice.
>>
>> 1.. plugged holes that  give no problem should in my opinion be left
>> alone,
>> I had to rebuild an engine because one came out.
>>
>> 2. you have good compression so blue smoke if only at start up lets you
>> know the engine started.  I personally wouldn't mess with it considering
>> the compression readings.
>>
>> 3. some things are just so hard to  get to and wear that it makes sense to
>> replace em when you are in there. advice was good. unless you ride the
>> clutch or have a spring break presure plates seem to last forever.  throw
>> out the throwout bearing etc.
>>
>> Bob Reuter
>>
>>
>>
>> On Sat, 1 Sep 2018, Dave Gillingham wrote:
>>
>>> Thanks!  I will look for bolts that fit.  Good thought on the seals.
>>>
>>> On Sat, Sep 1, 2018 at 12:45 PM Bradley Spear <my13jetta at gmail.com>
>> wrote:
>>>
>>>> 1. An air infection pump started in 1973 that put air in to each
>> cylinder
>>>> via these ports. You air pump hass probably been gone for years. Some
>>>> people seal the old tubes. Other people put in bolts. And others replace
>>>> the heads.
>>>>
>>>> 2. Probably valve seals.
>>>>
>>>> 3. I would replace the clutch, throw out bearing, and pilot bearing
>> while
>>>> the engine and transmission are apart.
>>>>
>>>> Brad Spear
>>>> '72 Westy
>>>> '71 Karmann Ghia
>>>>
>>>> On Sat, Sep 1, 2018, 14:30 Dave Gillingham <dave at coronado-realty.com>
>>>> wrote:
>>>>
>>>>> Hi list:
>>>>>
>>>>> I pulled the engine from my 73 bus to replace the front and rear crank
>>>>> seals, and to have the trans rebuilt (the famous third gear synchro).
>>>>>
>>>>> Couple of questions:
>>>>>
>>>>> 1) This engine appears to have been an FI engine and it has some pretty
>>>>> ugly threaded (but plugged) tubes next to each plug.  Is there
>> something
>>>>> less obtrusive that can be installed?
>>>>>
>>>>> 2) The engine emits a fair amount of blue smoke on start up.  I’ll
>> guess
>>>>> worn valve guides, although it isnt clear to me how they would leak oil
>>>>> into the cylinder given the orientation of the valves.  Engine
>> compression
>>>>> is between about 115 and 130, so I wasn’t planning on pulling it apart.
>>>>> Should I have the heads rebuilt?  Could the shop plug the FI holes?
>>>>>
>>>>> 3) Last for now:  the clutch was working just fine, and doesn’t look
>>>>> particularly worn.  Is there a way to check the pressure plate, or is
>> this
>>>>> a “don’t be an idiot, replace both” scenario?
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Dave
>>>>> --
>>>>>
>>>>> Dave Gillingham, Owner/Broker
>>>>>
>>>>> License # 01184185
>>>>>
>>>>> o:  (619) 435-0145
>>>>>
>>>>> e:  dave at coronado-realty.com <natalie at coronado-realty.com>
>>>>>
>>>>> a: 1111 9th St #202, Coronado, CA 92118
>>>>> <
>> https://maps.google.com/?q=a:+1111+9th+St+%23202,+Coronado,+CA+92118&entry=gmail&source=g
>>>
>>>>> _______________________________________________
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>>>>
>>>> --
>>>
>>> Dave Gillingham, Owner/Broker
>>>
>>> License # 01184185
>>>
>>> o:  (619) 435-0145
>>>
>>> e:  dave at coronado-realty.com <natalie at coronado-realty.com>
>>>
>>> a: 1111 9th St #202, Coronado, CA 92118
>>> _______________________________________________
>>> type2 mailing list
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>>>
>
> -- 
>
> Dave Gillingham, Owner/Broker
>
> License # 01184185
>
> o:  (619) 435-0145
>
> e:  dave at coronado-realty.com <natalie at coronado-realty.com>
>
> a: 1111 9th St #202, Coronado, CA 92118
>