Question about 1993 Saab 900

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Saab 900s 1993,won't start,just changed battery,coolant sensor,radiator fan switch.Car was backfiring and cutting out as soon as I let off the gas. Now the new battery.It started this morning, stalled and now won't start.

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  • Saab Master
  • 5,763 Answers

Take a look at the sparkmodule asm, this is a common problem with these saabs, the next thing would be the fuel preasure,make sure the pump is operating and putting out enough preasure,and last look at all fuses, these barrel type fuse corriod at the end and dont make the connection,

Posted on May 30, 2010

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Posted on Jan 02, 2017

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1 Answer

How do I change the coolant fan sensor?


Drain the radiator.
Unscrew the sensor from the radiator.
Wrap PTFE tape around the threads of the new sensor and tighten it up.
Attach the connector.
Refill the radiator with antifreeze.
Put the heater on full, keep topping up the system until the water is up to temperature and the thermostat is full open. Soon after that, the coolant fan should cut in.
Top up one last time. Put the radiator cap on.
Top up the reservoir.

Google

year make model replace coolant fan sensor

There is bound to be a video for your model. There is info in the link.

change the coolant fan sensor Google Search

Oct 21, 2017 | Cars & Trucks

1 Answer

Where is the coolant temperature sensor located on my 1994 Saab 900S 2.3L engine There is a Coolant Temperature Sensor for Gauge that I located and there is a Coolant Temperature Sensor that sends signal...


Best Manuals I suggest you try one of those instant download manuals. My nephew bought one for me when my car broke and we could fix it all by ourselves with the manual costing $10. This website reliable-store.com is very good for this.
Try it.

Dec 20, 2017 | 1994 Saab 900

1 Answer

Saab 900s convert air box exploded bad miss fire


learn the hard way ,,, it will need the attention of a mechanic to change all the parts burnt when it backfired and caught alight ,or just write it off and call the scrapyard

Aug 01, 2010 | 1996 Saab 900

1 Answer

Where is the thermostat in a 900s oh. 97 saab 900S Well my car was overheating and I notice in this model car if you need your oil changed it will overheat. So there is oil and all my fluids are full...


Oil change interval has nothing to do with operating temperature. If your coolant is full, feel the upper radiator hose, when the vehicle is up to temp. if cool , thermostat is back from that hose,

Look for air bleeds, and read owners manual, some cars have coolant bleeds. Also, heater on high when filling coolant or risk bubbles...

My thought is that your fans may not be kicking in. They should cycle on and keep temp low enough. test them.

Sep 15, 2009 | 1997 Saab 900

2 Answers

Car cranks but wont start (92 Saab 900s Turbo) gas fumes heavy spark but no start


cars need fuel, spark and oxygen to crank over. must be a problem with the air intake system. O2 sensor / vacuum leak / something similar

Sep 02, 2009 | 1992 Saab 900

4 Answers

Radiator fan doesn't always turn on when engine gets hot


check fuses #25 and #6 (both 30 amp)
the fan thermostat is on the left side of the rad.
turn the ignition on, and after pulling back the boot, short across the two terminal with a screwdriver.

if the fan runs, fan and wiring are both good.

if it only runs when thermoswitch is shorted like this, switch needs to be replaced (get the low temp switch to prevent overheating - your temp gauge will not go over the middle position even on the hottest days; also get a low temp thermostat,and ALWAYS get a Saab stat, not an after market!)

if the fan doesn't run when switch is shorted, check for valtage between green wire and ground at the switch.

Voltage indicates faulty fan, if no voltage then check the fan relay J in the main fuse box.

Saabreur

May 28, 2009 | 1988 Saab 900

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