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Old 08-14-2015, 02:37 PM   #1
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Question Doh! SPI back in my shop after 3.5 years

With a heavy metallic tapping/slapping sound. Feared that it dropped a valve seat again, but so far looking like a jumped timing belt, at least.

Engine sort-of runs a tiny bit (had to tow it here), but I got only ~10 psi on #1 cylinder, and 0 on the other three. Gas odor in the air filter housing. Spark plugs looks a little oily, but OK. Nothing obvious looking in the spark plug holes, but can't see much -- I really could use a fiber-optic scope at this point!

With the valve cover off, I can definitely see the timing belt spin the cam, but there's a bad tooth or something in the Cloyes BK283 belt that makes the belt jump with each pass while cranking the engine.

I'm reading here the old debates on if the SPI is interference or not. I'm leaning toward just (re-)doing the belt and seeing if it's OK (air filter and plugs too). Anyone had similar?


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Old 08-14-2015, 04:21 PM   #2
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Exclamation Wow

Old belt came out easily! And was stretched so much I took it off by hand without loosening its tensioner.

By the crank, it had jumped either ~100 or (100+180=) 280 degrees. No wonder it ran like ...

No sign of a rip, etc. on the belt, so it must have been the belt continuing to jump that I saw.

The crankshaft turns multiple 360 degrees without hitting anything -- hopefully the valves have not already been bent out of the way! New timing kit (Gates) arrives in a week or so, then will find out via another compression test, then starting.

Old belt kit heading back to Cloyes ASAP for a LTG refund. Never had a problem with their parts before, over many decades. Wonder who made that belt, if not them.
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Old 08-14-2015, 10:56 PM   #3
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Most of them aren't the interference type, so you'll prob. be OK with the info mentioned.
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Old 08-20-2015, 07:17 AM   #4
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Parts came in yesterday, and installed well. Starts fine! Still a test drive, etc. to do.
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Old 09-21-2015, 07:29 PM   #5
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2002 SPI with M/T here. Snapped the timing belt about 60,000 miles ago and didn't touch the pistons or valves. Still one wimpy engine but averaging 39 MPG...
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Old 11-05-2015, 09:03 PM   #6
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Doh!

Dead again -- this time due to a loss of coolant.

If anyone is near greater KC and is looking for everything but a reliable engine, now would be a good time to inquire!
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Old 11-06-2015, 03:21 AM   #7
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What did you do when it lost coolant, burn it down to the ground?

To lose a car over something that is easily predictable like that is, well, not cost effective among other things.
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Old 11-06-2015, 06:53 AM   #8
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Well ... that first thing is tempting! But the FF is still too good-looking.

I don't have it back yet, but from what's been described and from past experience, these elderly drivers just can't drive an old car anymore. Us car-folk often don't realize how much we notice (and know what to do about) cars' problems, unlike most other drivers.
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Old 11-06-2015, 06:22 PM   #9
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It's back now.

Very (over) full of coolant! No obvious leaks. But won't start -- tries to, but maybe only one cylinder is firing, and not every time. No coolant obviously in the oil, but is a little dirty.

Gave its outside a much-needed wash, but too many other things to do this weekend before I can get back to the FF.
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Old 11-06-2015, 07:41 PM   #10
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Use a noid plug to see if all plugs are sparking.
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