1991 940, car has severe lack of power and no boost on the dash gauge.
After removing the intake ducts, hoses, etc, I can feel but cannot turn what
I assume to be the compressor inside the inlet housing. Two questions:
Should I be able to reach inside the turbo inlet and immediately find the
compressor blades; is there anything elses such as static vanes in there?
Should I be able to turn the compressor blades with my hand; i.e. minimal
That's what I have assumed-any tips on a rebuild? The turbo is a t25, which
I understand is not too common. Is it possible/feasible/inexpensive to
obtain a rebuild kit rather than an entire unit? I am concerned that the
exhaust outlet may be cracked as a consequence of this event
(overheating...)-is that something with which to concern myself?
[ ... ]
Turbo International lists a cartridge available for the T25; their
site doesn't like my browser settings, though, so you'll have to
check on the price for yourself. That's not the cheapest approach,
but is by far the easiest rebuild option.
They also have rebuild kits and individual parts, if you're more
I've priced a cartridge for my T-II RX-7 at $495, yours will probably
be less (RX-7 parts are expensive).
A cartridge is the guts of the turbo; basically, you take the housings
off the old turbo and mount them on the new cartridge, making sure
they're aligned correctly, and reinstall on the car.
Gary Heston firstname.lastname@example.org
Windows is like SUVs; a bad idea, poorly implemented, unsafe, with a
I would recommend a cartridge or complete turbo swap for the inexperienced,
even to swap the cartridge you'll need a propane torch, some penetrating
solvent, decent wrenches, and some luck to prevent bolts from snapping off.
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