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98 s70 T5 No start

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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captainkong
Posts: 37
Joined: 15 August 2015
Year and Model: 1998 s70 t5(auto)
Location: Wisconsin

98 s70 T5 No start

Post by captainkong »

Hey guys, the volvo took a crap on me yesterday leaving me stranded at piggly wiggly.

I turn the key to start it and all the lights come on but it wont even crank. There is no clicking sound so I don't think it's the starter. I'm guessing pnp switch, starter relay, or my ignition switch which was replaced about 6 months ago so I really hope that is not it.

How can I bypass the relay and get it to start? My car is currently sitting in the parking lot and I do not have the money to tow it back home.

Thanks-

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regent
Posts: 1319
Joined: 22 February 2010
Year and Model: 2015 XC60 T5
Location: Under the Hood
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Post by regent »

Key UP (Pos II = Ignition ON), can you hear the fuel pump? If yes - then use a jumper between the small terminal and the big (B+) terminal on the starter solenoid. This bypasses the circuit from ignition key contact and feeds the starter solenoid directly. She should crank, and hopefully start (if there are no immobilizer issues)
Example of Precision: Measure with a Micrometer, mark it with Chalk, and then cut it with an Axe.
Disclaimer: We (very) seldom do that

2015 BMW 335i
2015 XC60 T5 Premier Plus
2002 S60 2.4 n/a - retired :(
1987 340 DL - retired :(

captainkong
Posts: 37
Joined: 15 August 2015
Year and Model: 1998 s70 t5(auto)
Location: Wisconsin

Post by captainkong »

Thanks for the reply, very helpful information. I was under the impression that there is no immobilizer on the 98 s70. I will try firing her up that way... if not I'll have my friend tow it with his truck to my mechanic in town.

Recently had the tranny replaced and its been acting up for the last couple weeks, so I figure if this problem is related to that in away it should be covered under warranty.

My mechanic told me after the tranny was swapped and everything was put back together it did not start because the pnp switch was not aligned. So we will see!

I'll keep you posted.

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regent
Posts: 1319
Joined: 22 February 2010
Year and Model: 2015 XC60 T5
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Post by regent »

Sorry, I was not sure about the immob present or not either.
If not - then your case is even better (you are down to one suspect only, the PNP switch that is) :D
Example of Precision: Measure with a Micrometer, mark it with Chalk, and then cut it with an Axe.
Disclaimer: We (very) seldom do that

2015 BMW 335i
2015 XC60 T5 Premier Plus
2002 S60 2.4 n/a - retired :(
1987 340 DL - retired :(

captainkong
Posts: 37
Joined: 15 August 2015
Year and Model: 1998 s70 t5(auto)
Location: Wisconsin

Post by captainkong »

Yeah the only reason I even suspected it was because the car didn't start after the tranny swap, and this happening shortly the tranny began acting up. I had the orange flashing arrow a few days ago and sure enough she refused to fire up shortly after that.

Do you know where the pnp switch is located on this model? The only thing I know about these is they can cause a whole lot of grief.

Thanks for your time-

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regent
Posts: 1319
Joined: 22 February 2010
Year and Model: 2015 XC60 T5
Location: Under the Hood
Has thanked: 2 times
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Post by regent »

It's on top of the transmission where the Control Cable from the shift lever connects:
http://volvopartslisle.com/assembly/584 ... ft-Control

See photo of actual part here: https://www.fcpeuro.com/products/volvo- ... 70-s70-v70
Example of Precision: Measure with a Micrometer, mark it with Chalk, and then cut it with an Axe.
Disclaimer: We (very) seldom do that

2015 BMW 335i
2015 XC60 T5 Premier Plus
2002 S60 2.4 n/a - retired :(
1987 340 DL - retired :(

User avatar
regent
Posts: 1319
Joined: 22 February 2010
Year and Model: 2015 XC60 T5
Location: Under the Hood
Has thanked: 2 times
Been thanked: 12 times

Post by regent »

This diagram shows the location even better:
http://volvopartslisle.com/assembly/833 ... -Automatic

PNP Switch is Item # 3 on the diagram
Example of Precision: Measure with a Micrometer, mark it with Chalk, and then cut it with an Axe.
Disclaimer: We (very) seldom do that

2015 BMW 335i
2015 XC60 T5 Premier Plus
2002 S60 2.4 n/a - retired :(
1987 340 DL - retired :(

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FLXC90
Posts: 1132
Joined: 18 August 2014
Year and Model: 98 V70 T5
Location: Florida Panhandle
Has thanked: 16 times
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Post by FLXC90 »

Another thing to try is with the shifter in neutral, foot on the brake, key to start position, move the shifter to see if it will start. This would be a misalignment. Also, check for loose connection at starter on B+ cable.
Current Volvos:
1998 V70 T5, 112k sat 5 years, still in mechanical coma (finally at the top of the pile )
2004 XC90 T6 AWD: 186k, 60 on transaxle ( traded in )
1998 POS70 N/A: DD/training aid, 236k but really about 240k, I think...ABS module( passed on to son who sold it)

captainkong
Posts: 37
Joined: 15 August 2015
Year and Model: 1998 s70 t5(auto)
Location: Wisconsin

Post by captainkong »

Hey guys, got a call back from my mechanic yesterday and he said it was my starter solenoid that's bad. Does anyone know how much one of these cost? I did not find much on the web about these being sold separately and really hoping I don't have to buy a whole starter.

Thanks-

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regent
Posts: 1319
Joined: 22 February 2010
Year and Model: 2015 XC60 T5
Location: Under the Hood
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Post by regent »

You could get one for $40-ish:

http://www.ebay.com/itm/STARTER-SOLENOI ... Dv&vxp=mtr

...and your teenaged car may be asking you to buy her a whole new (or rebuilt) starter very soon, too...
:lol:
Example of Precision: Measure with a Micrometer, mark it with Chalk, and then cut it with an Axe.
Disclaimer: We (very) seldom do that

2015 BMW 335i
2015 XC60 T5 Premier Plus
2002 S60 2.4 n/a - retired :(
1987 340 DL - retired :(

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