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failing alternator or belt?

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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azureblue
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failing alternator or belt?

Post by azureblue »

Over the week end, teh charge (red battery icon) light came on on when I first start the car. A couple of blips to the gas pedal would make it go out, and it would not come back on until the car was re- started. It eventually threw a check engine code - I am going t rest the codes, take the car for a drive and see if the check engine light comes back. If it does, then off to a code reader.

The drive belt looks good, but it seems to have a bit of slack - how much deflection is OK?

My car has a splash pan, and I took it off to have access, and I am going to put it back on, if that has anything to do with the problem.
544
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240
740T Wagon
850R Wagon
2002 V70 Wagon
2014 S60 T5

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br0dy519
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Post by br0dy519 »

Check the codes prior to resetting them.

A belt is much cheaper and easier to install than an alternator. If the belt or tensioner are in question at all, by all means replace them. Do you have any squealing pulleys ?
04s60 2.4
04xc70 2.5t
prwood wrote:I wish I had a permanent car repair area that was covered, had a level surface, lighting and fans, a workbench, and tool cabinets. You know,like a garage. Much of my time during the job is spent hauling things up and down the stairs to the basement or in and out of the storage shed, or running back downstairs when I realize I need something else,or taking a break from standing out in the sun,or using flashlights or work lamps when it gets dark.

azureblue
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Post by azureblue »

no squeals, and the pulley doesn't wobble when I tried to move around. Of course, when I started the car this morning, I got "Electrical system needs attention" prompt on the computer display, plus the "battery" light, but it went out with a couple of blips of the throttle, and stayed off.

I'm going to drive the car around this morning and see what happens. I have to take a 1 1/2 hour each way drive tomorrow, and I hope the issue won't cause a problem.
544
122s
144 wagon
240
740T Wagon
850R Wagon
2002 V70 Wagon
2014 S60 T5

azureblue
Posts: 664
Joined: 20 July 2008
Year and Model: 2014 S60 T5
Location: Winston Salem, NC
Has thanked: 16 times
Been thanked: 8 times

Post by azureblue »

bad alternator. Now to try to find one and put it in.
544
122s
144 wagon
240
740T Wagon
850R Wagon
2002 V70 Wagon
2014 S60 T5

User avatar
br0dy519
Posts: 746
Joined: 17 December 2019
Year and Model: 2004 XC70
Location: Windsor, ON
Has thanked: 126 times
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Post by br0dy519 »

Only buy Bosch or a reman using Bosch components. Look at the Voltage regulator for bosch logo.

I bought reman they used aftermarket regulator, I had to do the job 3 times and fight for warranty. Not worth it.
04s60 2.4
04xc70 2.5t
prwood wrote:I wish I had a permanent car repair area that was covered, had a level surface, lighting and fans, a workbench, and tool cabinets. You know,like a garage. Much of my time during the job is spent hauling things up and down the stairs to the basement or in and out of the storage shed, or running back downstairs when I realize I need something else,or taking a break from standing out in the sun,or using flashlights or work lamps when it gets dark.

azureblue
Posts: 664
Joined: 20 July 2008
Year and Model: 2014 S60 T5
Location: Winston Salem, NC
Has thanked: 16 times
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Post by azureblue »

Thanks - found a reman Bosch on ebay and Amazon - 120 Amps, I think.

Could it just be the regulator?
544
122s
144 wagon
240
740T Wagon
850R Wagon
2002 V70 Wagon
2014 S60 T5

User avatar
br0dy519
Posts: 746
Joined: 17 December 2019
Year and Model: 2004 XC70
Location: Windsor, ON
Has thanked: 126 times
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Post by br0dy519 »

Could be. Is it worth the labour and cost to replace the regulator, only to have the pulley fail within a month? Thats the way I look at it. Up to you though.
04s60 2.4
04xc70 2.5t
prwood wrote:I wish I had a permanent car repair area that was covered, had a level surface, lighting and fans, a workbench, and tool cabinets. You know,like a garage. Much of my time during the job is spent hauling things up and down the stairs to the basement or in and out of the storage shed, or running back downstairs when I realize I need something else,or taking a break from standing out in the sun,or using flashlights or work lamps when it gets dark.

azureblue
Posts: 664
Joined: 20 July 2008
Year and Model: 2014 S60 T5
Location: Winston Salem, NC
Has thanked: 16 times
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Post by azureblue »

My thoughts too. It's still a PITA job either way.. Thanks.. Trying to find a reman Bosch with fast delivery time... and a T60 torx :-)
544
122s
144 wagon
240
740T Wagon
850R Wagon
2002 V70 Wagon
2014 S60 T5

User avatar
br0dy519
Posts: 746
Joined: 17 December 2019
Year and Model: 2004 XC70
Location: Windsor, ON
Has thanked: 126 times
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Post by br0dy519 »

No problem. Swore mine was a a t45 ….

Not a bad job once you do it. Drain coolant, remove upper rad hose. Remove rad fan and it gives you a lot of room. Swing PS pump out of the way with reservoir attached, loosen lower ac compressor bolts and it gives you enough room to fit it out.
04s60 2.4
04xc70 2.5t
prwood wrote:I wish I had a permanent car repair area that was covered, had a level surface, lighting and fans, a workbench, and tool cabinets. You know,like a garage. Much of my time during the job is spent hauling things up and down the stairs to the basement or in and out of the storage shed, or running back downstairs when I realize I need something else,or taking a break from standing out in the sun,or using flashlights or work lamps when it gets dark.

vtl
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Post by vtl »

Bosch VR failed in my XC70 after 6 years and 60k miles. The car was mostly sitting for the past 3 years, so I got maybe 4 good years out of Bosch VR.

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