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Re: R.I.P. or Revive
Posted by David Prantl (more from David Prantl) on Wed, 6 Dec 2000 11:06:28
In Reply to: , Kok Chen, Sat, 17 Dec 1988 12:00:00

it is unfortunate that the crank pulley bolt was not properly torqued when
it was out the last time for a new crank seal. I believe it is possible on
the C900 to squeeze a torque wrench on the bolt and torque it properly,
before the A/C pulley-wheel is put back into place on the face of the
balancer. An appropriate flywheel-locking tool makes this much easier.

When a motor has run under load without oil, there is no telling what the
damage could be to the main bearings, rod bearings and piston walls/rings.
Excessive temperature that comes along with zero-oil running usually cause
the head gasket to fail, and if severe enough, causes the head itself to
warp.

If you have the time and want to spend it on the car, pull the head and take
it to a machine shop to see if it's still flat. If you're willing to take
it apart, you could have it skimmed to restore flatness. Put it back on the
car with a new head gasket, fix the crank seal and torque the pulley
properly, and then see if you can get both oil pressure and compression by
cranking the thing on the starter. If you get decent compression and proper
oil pressure, then take the car to your local safety/emissions inspection
station to check if it passes with acceptable HC, CO and NOx levels. If
not, then you still end up needing a replacement engine from the salvage
yard.

The better news is that salvage 8V engines are getting pretty cheap these
days. Look at EBay auctions that have ended within the last month. I
believe there were two SAAB 8-valvers that did not meet reserve - which was
somewhere near $150. I got an '89 16V non-turbo (crank hall sensor) motor
last weekend for $165, which topped out at under $220 when they added 600
miles worth of shipping. Costco sells a really nice engine crane for under
$200 - tax included, or you may find a local SAAB independent shop to r&r a
motor for you for a reasonable sum of money.

Those would be at least some of the options. Without a fix, you probably
have no more than a couple of hundred bucks worth of junkyard SAAB on your
hands.

Best of luck.

David Prantl
'84 900S, 5M, 210kMi, RIP
'86 9000T, 5M, 182kMi
'88 9000S, 5M, 142kMi
'90 9000S, 4A, 133kMi
'93 9000CSET, 5M, 64kMi
'89 900, 3A, 115kMi
'68 97 Sonett V4, 76kMi, #000467


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