Great tips Dennis. Thanks.
Unfortunately, this bus came to me with very few receipts
for work done. For all I know the engine could've been swapped out.
A compression and leak down test should be done sooner than later.

On 5/3/15, Dennis Haynes <d23haynes57@hotmail.com> wrote:
> Those numbers for the front cylinders are worth noting. May even be sign of
> a worn cam shaft. However, a compression test alone is often a waste of
> time. Combined with a leak down test you would know if you have a valve or
> ring problem. Then as for looking for internal leaks you secure the engine,
> bypass the gauge and put full shop pressure into each cylinder. If coolant
> suddenly raises in the tank you know you have a problem and in which
> cylinder. Yes small leaks or those heat and load related may not always be
> apparent this way.
>
> Dennis

--
Neil n

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