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Hard start XC90 v8

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo XC90s. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America).
Pretribrapper
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Hard start XC90 v8

Post by Pretribrapper » Thu Jul 11, 2019 3:37 pm

Trying to pinpoint hard start. 2011 with 160k miles. It is intermittent with issues. 50% time car starts normal. 50% turns over once hesitates 2-3 times then starts all within 3-4 seconds. Always starts. Had testing done at Advance Auto. Battery fine, starter fine, alternator fine though when starting vehicle at test issue did not occur. Any ideas? I have same xc90 but 2007 and dont have this problem..
Check engine diagnosis shows nothing also



Pretribrapper
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Re: Hard start XC90 v8

Post by Pretribrapper » Thu Jul 11, 2019 3:53 pm

Pretribrapper wrote:
Thu Jul 11, 2019 3:37 pm
Trying to pinpoint hard start. 2011 with 160k miles. It is intermittent with issues. 50% time car starts normal. 50% turns over once hesitates 2-3 times then starts all within 3-4 seconds. Always starts. Had testing done at Advance Auto. Battery fine, starter fine, alternator fine though when starting vehicle at test issue did not occur. Any ideas? I have same xc90 but 2007 and dont have this problem..
Check engine diagnosis shows nothing also
Also once it starts it drives and idles perfect



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ggleavitt
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Re: Hard start XC90 v8

Post by ggleavitt » Thu Jul 11, 2019 4:43 pm

https://www.matthewsvolvosite.com/forum ... 10&t=61996 , easy enough to guess it's the starter itself if the battery is good and all the electrical connections are clean and tight.

Another link that might be relevant- https://forums.swedespeed.com/showthrea ... Slow-Start
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Pretribrapper


2005 2.5T AWD-194k
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Pretribrapper
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Re: Hard start XC90 v8

Post by Pretribrapper » Thu Jul 11, 2019 6:07 pm

Thanks much. That does sound like it though I had starter tested and Advance Auto said its good. Could it be that it would only show there are issues when the physically are noticable upon cranking?



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Re: Hard start XC90 v8

Post by bmdubya1198 » Thu Jul 11, 2019 6:14 pm

The starter could be a little weak, it's a common problem on these V8s. If it's running well otherwise, this is likely your issue. My starter is a little weak at times as well, especially when it's hot, but it always starts.

When they test the starter, they're basically just testing to make sure it functions, which of course it is. I don't know how their test equipment works, but I'd assume if they get any kind of electrical reading from it, your starter is within their specs, even though it's not performing as well as it should.
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1998 V70 GLT Black/Beige 193k
2000 V70R Venetian Red/Charcoal M56 Swapped 188k
2001 S60 2.4T Black/Black 230k
2007 XC90 V8 AWD Sport Titanium Grey/Black 155k
1998 S90- Silver/Gray 207k
1995 850 collection of parts... crushed... still have parts, PM if interested!
1988 744 Turbo M46 Beige Metallic/Beige 188k- Still kicking myself for getting rid of this one

Pretribrapper
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Re: Hard start XC90 v8

Post by Pretribrapper » Thu Jul 11, 2019 9:25 pm

How soon do I need to replace before it would go out? Also some forums I read say need to drain coolant to change. Is that true?



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bmdubya1198
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Re: Hard start XC90 v8

Post by bmdubya1198 » Fri Jul 12, 2019 8:16 am

I believe you need to remove a smaller coolant line or heater hose to access the starter on this engine. You may not need to drain it completely if you have some of those hose clamp-off pliers, but it will certainly help to minimize the mess.

It's probably not too urgent as long as the starter isn't struggling too much, but I couldn't tell you any real timeline. It's best to replace it as soon as you can.
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1998 V70 GLT Black/Beige 193k
2000 V70R Venetian Red/Charcoal M56 Swapped 188k
2001 S60 2.4T Black/Black 230k
2007 XC90 V8 AWD Sport Titanium Grey/Black 155k
1998 S90- Silver/Gray 207k
1995 850 collection of parts... crushed... still have parts, PM if interested!
1988 744 Turbo M46 Beige Metallic/Beige 188k- Still kicking myself for getting rid of this one

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Re: Hard start XC90 v8

Post by Pretribrapper » Mon Jul 15, 2019 12:34 pm

One last question. I have a repair manual for my car that I just got that seems to show the starter being removed from beneath th car. Says to remove the plastic guard beneath the motor then disconnect the starter. Nothing about moving air box or hoses. Not sure if that is an option but wanted to know if anyone heard of that. I will get into it this weekend. Thanks again.



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Re: Hard start XC90 v8

Post by Masscomguru » Mon Jul 15, 2019 5:35 pm




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bmdubya1198
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Re: Hard start XC90 v8

Post by bmdubya1198 » Mon Jul 15, 2019 7:06 pm

That's an alternator writeup. For the starter, I believe it's accessed from above. It's located below the throttle body, I think you need to remove a couple coolant lines and possible the throttle body to access it.


1998 V70 GLT Black/Beige 193k
2000 V70R Venetian Red/Charcoal M56 Swapped 188k
2001 S60 2.4T Black/Black 230k
2007 XC90 V8 AWD Sport Titanium Grey/Black 155k
1998 S90- Silver/Gray 207k
1995 850 collection of parts... crushed... still have parts, PM if interested!
1988 744 Turbo M46 Beige Metallic/Beige 188k- Still kicking myself for getting rid of this one

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