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200 Series General Forum for the Volvo 240 and 260 cars |
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Crank Position Sensor .... technique?Views : 862 Replies : 11Users Viewing This Thread : |
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Aug 9th, 2018, 11:43 | #1 |
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Crank Position Sensor .... technique?
There's a thread downstairs in the 700/900 section of the forum....how to replace the CPS. https://www.volvoforums.org.uk/showthread.php?t=285082
1. Is that methodology fully easily applied and transferable to be re the 240? 2. Will a 10mm ratchet spanner do the job on a 240? 3. There's also a comment downstairs about lie on top of the engine and use one's left hand to wield the ratchet spanner. Is that the or a good modus of approach to get at that fixing screw/bolt on a 240? I'm asking now in case of need. Time spent on reconnaissance is never wasted. |
Aug 9th, 2018, 12:40 | #2 |
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Stephen,
I'm not sure about the size of the bolt head but when I did mine I found that the appropriate socket on a short extension, UJ, long extension then ratchet was enough to get mine out. I was able to lean in from the passenger side and locate the socket on the bolt with one hand whilst manipulating the ratchet with the other. This was on a B230F with LH2.4 though so it only required one bolt to get it out, if you're removing the bracket from the bell housing I think it might be more complex. Hope that helps, Alex
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Aug 9th, 2018, 17:06 | #3 |
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Alex mine is also B200F and LH 2.4 thanks.
I have just explored and as you say. Standing beside the open engine bay on the passenger side I could locate the CPS by hand, by touch, by feel. It hides approximately behind the engine oil level dipstick tube. I suspect the machine screw or bolt could be undone and done up again with a ratchet spanner. Or perhaps with a 1/4" or 3/8" short flex handled ratchet. Possibly a deep socket. Or a very short extension. I am tempted to change the CPS and keep the existing one as a spare in the car. I'm cogitating. |
Aug 9th, 2018, 19:28 | #4 |
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same method but a lot less room to do it in
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Aug 9th, 2018, 21:20 | #5 |
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I own a 10mm ratchet spanner but would not use it for my CPS bolt.
I use a tiny solid 10mm ring spanner. The bolt does not need many turns to get loose enough for just fingers, and down there in the oily depths space is at a premium.
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Aug 9th, 2018, 21:36 | #6 | |
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Quote:
And. If I remember correctly from previous posts, you have done the job more than once so you speak from more than one experience. Is your tiny solid ring spanner especially short, stubby, or just ordinary? |
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Aug 18th, 2018, 22:22 | #7 | |
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Quote:
Not sure which year 240 you have but the early ones with flywheel sensors , ( 1984-5 ? ) you have to take the gearbox out to change it .
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Aug 18th, 2018, 22:42 | #8 |
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There is no need at all to pull the gearbox to change flywheel sensor on a 240
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Aug 18th, 2018, 22:57 | #9 |
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There are two types of mounting for the flywheel sensor , the one you are familiar with which is easy to change , much like an 850 , and the 1987 B230KH engine in the 240 where the sensor comes with a metal bracket built in to it secured with two screws , the gearbox has to be withdrawn to change it . How do I know ? Well I was unlucky enough to have to do one .. Only ever knew of one failing though .
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Aug 19th, 2018, 10:44 | #10 |
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Thank you to all of you for this very specific advice.
Clan I'm OK it is a 1992 SE and I can get at the CPS. Thanks. |
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