RE: TECH:Trying to confirm rod knock

[chris gonzalez <chris24g@yahoo.com>]

Cory,

Thanks for the info...I think it may be the same problem as yours. I
have heard that auto trannys are a PITA, but hopefully it is
repairable. How did you fix yours? repair or replace?

thanks, 
chrisg
'82 8v
'88 16v
'88 knockin' cabby



--- "Langford, Cory" <Cory.Langford@icbc.com> wrote:
> Not sure is this will apply, but it is just my personal experience.
> 
> I have owned a whole 2 automatics (1 Rocco, 1 rabbit) and both ended
> up with
> the same problem.  Torque converter bolts ripping out.
> 
> First one did all of them and it was an easy thing to notice - turn
> the
> starter and the engine does not turn :)
> 
> The second one ripped out 1 or two bolts (don't remember) but I do
> remember
> the sound it made due to being out of balance.  It was a "banging"
> sound
> that came from the bottom of the engine right close to the bell
> housing.  It
> increased and decreased with RPM of course.
> 
> Just a couple of thoughts..
> 
> Cory
> 
> -----Original Message-----
> From: chris gonzalez [mailto:chris24g@yahoo.com]
> Sent: October 22, 2001 10:31 PM
> To: scirocco-l@scirocco.org
> Subject: TECH:Trying to confirm rod knock
> 
> 
> the patient: 88 cabriolet 1.8 8v (all stock).
> the symptoms: start the car and everything sounds fine at idle.
> slight
> ticking from the hydraulic lifters, but nothing out of the ordinary.
> rev the car, and it still sounds normal. get it and drive the car up
> the block still normal for about 1/2 mile, then a dull knock knock
> knock that varies with engine speed. used a mechanics stethoscope and
> the sound is apparently coming from the vicinity of the oil pan/
> automatic transmission.
> 
> I pulled off the oil pan and could not see anything out of the
> ordinary
> (with my untrained eye, that is). connecting rod bolts are all there,
> and torqued, at least...
> 
> Should I go further and pull of the rod bearing caps and inspect the
> crankshaft? I figure if a rod is knocking it's "gonna leave a mark."
> Has anyone used the "ground out the spark wire trick"? 
> 
> Or could it be entirely something else? 
> 
> TIA,
> chrisg
> '82 8v
> '88 16v
> 
> 
> 
> 
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