Question about 1988 Volvo 240

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It is in the engine block, below the cylinder head on the intake side. It should have 2 wires going to it.

Be careful, though, the coolant temperature sensor is in the cylinder head, right above it.

Posted on Nov 03, 2009

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Check out you tube, type in knock sensor replacement, will offer a video, lot easier than me trying to explain it to you.
Hope this helps.

Posted on Sep 05, 2009


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Changing transmission fluid volvo 240dl

get a clear tube (about 5 feet long and wide enough to fit over the transline). Unscrew the transline from the radiator and place the the tube over the other end of the tube into a bucket. Start the car, and give it a min before you start seeing the bubbles from the end of the old fluid...start pouring the new fluid in. when you fill her up, your done. don't over fill it.

Feb 02, 2014 | 1989 Volvo 240

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Hi, 1989 240DL

1989 ?? it a piece of cake ,nothing difficult ,about an hour to strip one side ,then go for spares ,stop for coffee and a piece of tortilla have a cig and a chat to everyone in the bar ,getting the parts and coffee stop say another hour and a half ,then half hour to refit ,total time involved 3hrs,then charge customer 4 hours a side

Apr 12, 2010 | 1989 Volvo 240

1 Answer

Happy holidays,my 89 volvo 240dl starts and runs great till it gets almost to run temp,then sputters and stalls. It will start right back up and stall out again.Ive recently replaced the...

It is most likely that you have a hole in your vacuum hoses (check your flame trap too) or your 02 sensor is bad. i would check both. good luck:)

Dec 10, 2009 | 1989 Volvo 240

2 Answers

Volvo 240DL sputters while driving

Not enough information here, but I would always replace the crank shaft position sensor first. Its at the rear of the engine, it senses grooves in the flywheel. Next I would check the fuel pump relay. Finally the Airflow meter.

Mar 26, 2009 | 1989 Volvo 240

1 Answer

Rotor replacing on a 240DL

The rotor has a very strong spring. just keep pulling. Be careful not to bend the shaft (I doubt that could happen). If you get a screwdriver or something to pry with, just try to force it straight up.

Mar 24, 2009 | 1989 Volvo 240

1 Answer

Speedometer of 1987 Volvo 240DL only works at half the actual speed of travel or less than half.

I just realized, you have an 87 that uses a speed sensor instead of a cable. You should have the mechanic check the sensors to see if they need to be cleaned or changed out.

Jan 04, 2009 | 1987 Volvo 240

2 Answers

Replacing water pump on 1989 volvo 240dl

I did not have any problem installing the water pump. It took about 2 hrs.
Just pay attention to how the old one is designed and comes off the block.

Tap out the tube from the water pump to the heater core and replace the gasket in place with a small amount of gasket sealer to hold it in place.

use a lever to raise the water pump to squeeze the larger O ring into place so you can start the first bolt and you'll be on your way to the finish line in no time.

This is not a job for your average home owner do it your selfer. a little more than basic machanics is sugested to do this one.

Dec 05, 2008 | 1989 Volvo 240

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