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Car dies while driving

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

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lummert
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Re: Car dies while driving

Post by lummert »

I've seen valve covers blown off of a 396 because of too much starting fluid.
1988 Volvo 760 Turbo Wagon

940tvolvo
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Post by 940tvolvo »

Thank you for all the response so much appreciated. I did the starter fluid and still will not start. It turns over but will not start. How about relays or engine coils? It sounds like it is not getting any spark, but if it was relays or coils would the car just die on me while driving?

Again thank you soooooo much I really do appreciate all the suggestions..

dj_v70
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Post by dj_v70 »

Ok, you tried the starter fluid and it did not work. The car didn’t get any closer to starting than before, correct? If that is the case it is not likely a fuel related issue.

Next, spark. However, you suggested on Jan 5th, your roommate already checked spark. The approach that you described is valid. Do you trust your room mate? I only ask because you are suggesting to try again. Feel free to re-check if you feel it is warranted. Unless you say otherwise, I am assuming this test passed.

Next, check the timing belt... which was already suggested. I discounted that earlier until fuel and spark were tested first. However, if you haven’t tried that earlier, it is definitely next in line. My recollection is that you can actually see a little bit of the timing gear behind top of timing cover on that engine. If you can’t see it, remove top timing cover bolt and pull it back slightly and crank engine and verify that that gear is turning. If so, timing belt is not broken. It could have slipped, but that is a little harder to test, so let’s skip for now.

You should also check the engine diagnostics. On the Volvo 240 of that year, there is a little box on driver wheel well in engine compartment that is used for diagnostics. I assume your model has same capability.
Last edited by dj_v70 on 12 Jan 2019, 21:16, edited 1 time in total.

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RickHaleParker
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Post by RickHaleParker »

dj_v70 wrote: 12 Jan 2019, 20:55 It could have slipped, but that is a little harder to test, so let’s skip for now.
Easy to check. The only two things that could allow the belt to slip is missing teeth or it is loose. Press down on the belt to check deflection and visually inspect for missing teeth.
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1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
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dj_v70
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Post by dj_v70 »

[/quote]

Easy to check. The only two things that could allow the belt to slip is missing teeth or it is loose. Press down on the belt to check deflection and visually inspect for missing teeth.
[/quote]

Hmm, what is easiest way to do that? Take top half of timing cover off and inspect/crank multiple times? If so, I don’t recall if top half of timing cover can be removed on that engine without first removing alternator belts, fan and pulley.

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RickHaleParker
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Post by RickHaleParker »

dj_v70 wrote: 12 Jan 2019, 21:24 If so, I don’t recall if top half of timing cover can be removed on that engine without first removing alternator belts, fan and pulley.
1. Remove drive belts and coolant pump pulley
2. Loosen adjustments.
3. Remove all drive belts.
4. Remove coolant pump pulley.
5. Remove upper timing belt cover.
⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.

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