Re: NO compression ANY cylinder Toyota T100 w 3.4L

dgmenace wrote:
> Hello. I'm new to this group and hope you all can help me out. My 95
> Toyota T100 with 3.4L v6,  it sat for two years and was running when
> parked. When I tried to crank it after sitting it sounded like no
> sound I have ever heard on an engine before...almost like starter was
> turning over but engine wasn't and it wasn't a very fast cranking
> either. My first thought was timing belt broke but it wasn't.  In
> fact both cam marks and crank mark was perfect on mark with #1 at
> TDC. I then did a compression check and had nothing on any cylinder,
> zero! Never had this kinda situation. I have rebuilt older V8's like
> a 318, as well 2.2L and 2.5L front wheel drive engine. I haven't
> rebuilt a double overhead cam v6 before though.  I was planning on
> doing a leak down but don't have the tool but can borrow one. I did
> check both compression gages and they are fine. One had the quick
> connect so I decided to connect to 20psi regulated air to see if I
> could hear the air and on LH side I couldn't hear air going anywhere
> on the 3, on RH side I could hear air going into the plenum on all 3.
> I still, even if the RH side head gasket is blown or intake valves
> stuck....I don't understand why I still have no compression on the
> other head?  I hope this makes sense.  I did crank over for a while
> and put oil in cylinders. Any suggestions or if you know what's
> wrong, please let me know.  I have invested way too much in truck not
> to fix this. Thank you in advance.

It has likely sat long enough for the rings to get stuck. Dump some 
transmission fluid into each cylinder and crank it over a few times. 
Repeat that and see if the numbers start coming up. If they don't you 
could try spraying a bit of starting fluid in while cranking it to see 
if the heat from the ignition might loosen them up. Once you get it 
running a bit they may all free up once the engine heats up.

-- 
Steve W.