Tell me it's not a interference motor.

The timing belt broke on my '83 245. Ironically, I was on the way to the auto parts to get gaskets to fix a leaky water pump.

Pulled all the stuff off the front. Covers, belts, pulleys, water pump, etc., and put a new timing belt on.

All the marks aligned nicely.

Fired it once to hear it run before I bolted everything back on. Started second click, as always, and sounded good.

Took an hour longer than I liked to get the water pump on. Really have to pry up and squeeze the O-ring under the head to get the bolts in.

Buttoned it all up and started it. Nasty tic tic tic at the front of the engine, up top. Once a revolution, near as I can tell. Almost sounds like a pre-ignition ping or a really loose valve lash.

Ran out of light (and energy) to chase it tonight. I'm getting too old for this stuff! *g*

Tomorrow, gonna have a look at the marks again, check the rotor is pointing at the mark under the cap, and check compression.

Hopefully, nothing is bent in there..!

Reply to
clay
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It'll be fine, unless you're really unlucky. B21/23/230F are non-interference, although the clearance is tight.

Reply to
James Sweet
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It's non-interference, so no damage was done.

As for the noise, check the cam gear and make sure everything is aligned and hooked up correctly; I had a similar noise, and that was the problem (I did something wrong when putting the gear back on).

Reply to
Mr. V

Well, I didn't remove the cam gear but I gave it a look anyway. Sure enough, the back half of the guard was tweaked up and ticking in the hole in the cam gear. Playing card in the spokes... Thanks for getting me looking that direction and, thanks James for the words of encouragement.

...now to deal with the water pouring out the bypass tube O-ring on the water pump. If it isn't one thing, it's a #$@&% 'nother.

Reply to
clay

Been there, done that. In my case whoever replaced the water pump forgot the lock washer on the nut that holds that on, and eventually it fell off.

Reply to
James Sweet

I trashed the O-ring installing the pump. (note to self: google more, find the instruction that says unbolt the tube from the block and deal with it after the pump is installed) The ring was split in one place, nearly cut through in another, and generally shredded. Generous silicone and gentile reinsertion, should hold until the replacement arrives from IPD.

Interesting, I discovered the cause of my temp gauge failure while digging around. The sender fell apart. Porcelain part with spade sitting on the belly pan. Fell off the sender and off the wire connector... Also coming from IPD.

Lovely combination, iffy plumbing and no temp gauge.

Reply to
clay

Hmm I never messed with the tube changing a pump, I was just careful to line it up and not mess up the o-ring.

I've never had a temp sensor break quite that badly, but I have had them fail.

Reply to
James Sweet

The last time I changed it, the tube was a non issue. This pump was really stubborn, compressing the other O-ring enough to get the bolts started. The bolt holding the tube to the block is awkward to get at, behind #4 exhaust manifold. An offset box-end works nicely to get at it.

Reply to
clay

Hey, this is a family newsgroup, buddy!

Reply to
Tim McNamara

My impression from owning three 240s was that the temp sensor was broken at the factory.

Reply to
Tim McNamara

Behind the exhaust manifold toward the rear of the motor remove the bolt that holds the tube to the block & you will never pinch the o-ring again Glenn K Volvo Certified Technician 2008 ASE Certified Technician 2008

Reply to
GlennK

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