Question about 1994 Volvo 940

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Alternator not accepting charge

Battery in 1994 940 volvo non turbo made on the 1993 model. got a used alternator. not receiving power.

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Ok, this used alternator has bad diodes and will need them replaced. sometimes, certain technicians wont rebuild correctly. they just look over this vital part. i would return this alt.

Posted on Mar 03, 2009

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I need specs for an 850 volvo coil ie primary and secondary resistance


Specifications per VADIS 1993 Volvo 850 2.4 Non Turbo:
Ignition Coil, power stage:
Resistance between terminals 1 and 15 (primary winding):0.5-1.5 Ohm
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Jun 24, 2014 | 1993 Volvo 850

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Hello, I recently replaced my wife's alternator on her 2000 Volvo S80 2.9L (6)cyl non turbo. I followed all the rules, disconnect (-) battery, relocate PS Pump, diconnected upper cooling hose. Installed...


Disconnect both battery cables and short them together for a few minutes. Then reconnect the battery and check the instrument panel. If this doesn't work, you may need to replace the instrument cluster (volvo calls this a drivers information module). I have replaced several of these and they are not cheap. You can't install a used unit and you will need to download software into the vehicle to make it work.

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Replacing a starter on a 1993 volvo 940 turbo. Is this a difficult task?


It looks easy for the 940 but I am not sure about the 940 turbo, as maybe some of the turbo parts are in the way. I'm not sure about that, since there is no documentation on the turbo model vs. the 940 standard model. If you can follow the following instructions, then I would give it a whirl.

REMOVAL & INSTALLATION - 1993 Volvo 940
  1. Disconnect the negative battery cable at the battery.
  2. Disconnect the leads from the starter motor.
  3. Remove the starter motor retaining bolts.
  4. Remove the starter motor from the vehicle. To install:
  5. Position the starter motor to the flywheel housing.
  6. Apply locking compound to the bolt threads and install the retaining bolts finger-tight.
  7. Tighten the bolts to approximately 25 ft. lbs. (34 Nm).
  8. Connect the starter motor leads and the negative battery cable. Fig. 1: Unfasten the nut retaining the starter cables . . . 90952p12.jpg
    Fig. 2: . . . and remove the starter cables 90952p14.jpg
    Fig. 3: Unfasten the starter retaining bolts . . . 90952p11.jpg
    Fig. 4: . . . and remove the starter from the engine 90952p15.jpg
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Oct 28, 2010 | 1993 Volvo 940

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Can i replace a volvo s40 turbo engine with a regular non turbo volvo s40 engine. my mechanic says he can install the turbo from the toasted turbo engine on the non turbo engine but that he will have to...


tHIS WILL TURN ON AND KEEP THE CHECK ENGINE LIGHT ON, MOST OF THE ENGINE BLOCKS ARE THE SAME BUT ARE BUILT A LITTLE STRONGER TO WITHSTAND THE TURBO, IF HE CONNECTS THE TURBO AND YOU DONT BEAT ON THE MOTOR I THINH YOU WILL BE OKAY, HAVE HIM USE ALL THE OLD PARTS LIKE INTAKE INJECTORS OIL PAN EXHAUST MANIFOLD AND I THINK IT WILL BE FINE, HOPE THIS IS HELPFUL,

Oct 25, 2010 | Volvo S40 Cars & Trucks

1 Answer

My 1993 940 non-turbo just dies when running as if the alternator is bad. However, the alternator has been replaced. It still dies and needs to be jumped. When jumped, it'll run for a bit then die a...


OK the battery in good charge should be at 12.5 volts ( as measured with a voltmeter across the terminals) When the engine is running you should expect the reading to be about 14 volts. Put the lights on ( a load on the battery) and the voltage can go as high as 14.5v. Switch everything off (I mean everything..radio etc) and disconnect the negative terminal to the battery. Now put the meter in ammeter mode and measure the current between the negative terminal and the cable that is now disconnected. It should be really very low current (milliamps at most), switch on the lights to show ourself what that current drain looks like. If the residual current looks significant take out each fuse in turn and return it noting on pen and paper any drop in current when the fuse is out. This process will identify the circuit that is draining the battery. Check the wires and junctions in this circuit for shorts etc. If its lights try removing bulbs until the current drain stops If possible leave the fuse out over night on this circuit and see if this effects the battery's ability to charge and stay charged.

Aug 30, 2010 | 1991 Volvo 940

1 Answer

I dont know how to pull the codes on a 1993 volvo


Volvo Code Retrieval Accessing Trouble Codes 89-93 models (and later non-turbo/non-OBDII models)

Fuel Codes Locate the diagnostic unit behind left strut tower and remove its cover.(see image) Connect selector cable to socket #2,which tests the fuel codes. Turn the ignition switch to the ON position(engine not running). Enter the diagnostic mode by pressing the push button on the diagnostic unit for at least 1 second, but not more than 3 seconds. The red LED light will start to flash,count the number of flashes in 3 flash intervals. The flashes will be seperated by 3 second intervals.Make note of all codes. If no codes are stored,the LED will flash 1-1-1,which means the fuel system is operating correctly.
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Ignition Codes To access the ignition codes,follow the above procedure,but with the selector cable connected to the #6 socket on the diagnostic unit.
NOTE:Turbocharged models may have seperate codes for the turbo system and are accessse by hooking the selector cable to the #5 socket.

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Dec 28, 2009 | 1994 Volvo 940

3 Answers

1993 Volvo 940 Turbo: Batter Problem?


hi, you need to check the earth wires coming from the battery make sure that where they are bolted to the bodywork of the car that it isnt corroded even undo the bolt holding it to the bodywork and then use sand paper to clean and make sure their is no corrosion where the earth wire touches the body work and do the same where the earth wire touches the engine as this sounds like your problem.

If the battery light was on whilst driving then this would indicate that the alternater needs replacing as you dont mention this then this isnt your problem.

If your only using the car for short journeys and say your using the heater or air con and the radio etc whilst driving then you will find that the battery isnt able to charge up enough as well as meeting the demand of making the aircon etc work. you usually find that this problem most likely to happen is in the winter when people have their lights on all the time and using the heating etc if its not getting driven far then this would be the route of your problem.

If you are only driving short distance but using alot of equipment then thats where your problem is.

Now if none of thats the problem and the battery is going flat over night then you need to check that nothing is on when you park up as alot of the time the light in the boot remains on if the switch has broken causing the battery to go flat over night so also check all of these make sure if you have a light in the boot that the switch is working by pressing it with your finger and see if the light goes off, do the same if you have light under the bonnet, in the glove box etc etc.

If after doing all this you cant find the fault and the driving distance isnt the problem then you will need to look at buying a isolater switch for the battery what this does is whenyou have switched the car off you press the isolater switch then this makes sure everything is off and no power is being used from the battery.

let me know how you get on or if you need further assistance ok

Nov 07, 2009 | 1993 Volvo 940

1 Answer

Mercury capri alternator getting very hot


its the alternator pulley thats defective and in order to pull the alternator you a have to take off the piece with the hoses on it above the alternator and you can wiggle it out

Dec 09, 2008 | 1992 Mercury Capri

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2002 Volvo s80 t-6


This is what my code scanner says:
P0234 Engine Overboost Condition
If you have a non-turbo model, then it's probably something else. It may be a bad turbo overboost switch. My S80 is non-turbo but I had an overboost switch go out on my Mercedes and it shut down the turbo but I had the same error message. Good luck!

Jun 10, 2008 | 2002 Volvo S80

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