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Hi everyone.

I'm facing a service dilemma with my XC90, and as I'm not really mechanically inclined, I thought I'd see if anyone here has any advice or thoughts on how I should proceed.

I own a 2007 XC90 (3.2L engine model) which has a little over 111,000 miles. I've owned it since 2008 when I bought it as certified pre-owned from my local Volvo dealer. I love the car and have been hoping to keep it for many years, so I've meticulously kept up with the recommended service intervals for as long as I've owned the car and have the work done at my local Volvo dealer.

I dropped the car off for an oil change and regular maintenance earlier this week, and a couple of days ago I received a call from the service representative stating that the mechanics were hearing an unusual noise from the engine area. They thought it might be an issue with the AC compressor (I believe that was the part), so with my permission and what would have been approximately a $1500 repair, they tried installing a new AC compressor but found that the noise was still present. The good news is that I won't be charged for that repair, but the bad news is that they now think the issue may be something much more costly.

Apparently the XC90 engine is gear driven (as opposed to being belt driven), and their suspicion is that there may be an issue with one or more gears within the engine. The problem is that the process involved to assess the gear situation is quite labor intensive, and I've been told that there's a chance that the issue could be even worse than expected once they inspect the inner workings.

Bottom line, based on the labor involved (they're estimating 20+ hours) and parts, I'm being quoted an estimate of $3700, which could possibly even increase depending on what they find.

The car is driveable now, and they said that doing nothing is certainly an option, but there's no telling if or when this issue would render the car undriveable, so I have a bit of a dilemma. On one hand, I love the car and would like to keep it well maintained, but on the other hand I'm questioning whether it's worth putting at least $3700 of repairs into a 2007 vehicle which probably has a trade-in value now of around $5000. I suppose another option would be to get a second opinion from a different European car shop, although up to this point I've had all of my service performed at the Volvo dealer.

The sad thing is that the car really isn't that old, and this being my first Volvo, I was really hoping I could get 150K or more miles out of it without any major issues. So, what would you do? Would you proceed with the repair, or just keep the car running as long as possible without the repair and perhaps start looking for a new car? At the moment, I'm leaning toward the latter.

Thanks for any advice!
 

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2005 XC90 V8, IPD sways and endlinks, currently shod with Pirelli Scorpion Verde
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I'd get a second, and possibly third, opinion.
 

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So they are talking about the R.E.A.D assembly. If they diagnosed the AC compressor over the READ, then I would absolutely get a second opinion on that. They are on opposite sides of the engine and really should have been easy to tell apart. More so, they should have just pulled the serpentine belt for a few seconds to see if the sound goes away. There have been some instances with a failure but... it could be anything there. It could be the water pump pulley, power steering pump, the one way clutch on the read assembly. On the front of the engine, it could be the alternator (which is closer to the AC compressor than the READ) brake booster, or it could be internal. My point is to get a second opinion. If it is the read, then so be it, but if not why spend that money on such a large maybe. If it is the READ, and that does go, then the possibility of it cracking the block is high.
 

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Hi everyone.

I'm facing a service dilemma with my XC90, and as I'm not really mechanically inclined, I thought I'd see if anyone here has any advice or thoughts on how I should proceed.

I own a 2007 XC90 (3.2L engine model) which has a little over 111,000 miles. I've owned it since 2008 when I bought it as certified pre-owned from my local Volvo dealer. I love the car and have been hoping to keep it for many years, so I've meticulously kept up with the recommended service intervals for as long as I've owned the car and have the work done at my local Volvo dealer.

I dropped the car off for an oil change and regular maintenance earlier this week, and a couple of days ago I received a call from the service representative stating that the mechanics were hearing an unusual noise from the engine area. They thought it might be an issue with the AC compressor (I believe that was the part), so with my permission and what would have been approximately a $1500 repair, they tried installing a new AC compressor but found that the noise was still present. The good news is that I won't be charged for that repair, but the bad news is that they now think the issue may be something much more costly.

Apparently the XC90 engine is gear driven (as opposed to being belt driven), and their suspicion is that there may be an issue with one or more gears within the engine. The problem is that the process involved to assess the gear situation is quite labor intensive, and I've been told that there's a chance that the issue could be even worse than expected once they inspect the inner workings.

Bottom line, based on the labor involved (they're estimating 20+ hours) and parts, I'm being quoted an estimate of $3700, which could possibly even increase depending on what they find.

The car is driveable now, and they said that doing nothing is certainly an option, but there's no telling if or when this issue would render the car undriveable, so I have a bit of a dilemma. On one hand, I love the car and would like to keep it well maintained, but on the other hand I'm questioning whether it's worth putting at least $3700 of repairs into a 2007 vehicle which probably has a trade-in value now of around $5000. I suppose another option would be to get a second opinion from a different European car shop, although up to this point I've had all of my service performed at the Volvo dealer.

The sad thing is that the car really isn't that old, and this being my first Volvo, I was really hoping I could get 150K or more miles out of it without any major issues. So, what would you do? Would you proceed with the repair, or just keep the car running as long as possible without the repair and perhaps start looking for a new car? At the moment, I'm leaning toward the latter.

Thanks for any advice!
I have a 2007 3.2 also (152k miles) and had a similar noise that was also a suspected compressor - turned out it was the engine torque dampener bar. I bought one online for a little over $100 and 15 min later, problem solved.

-- DavidV :D
 

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My 2007 3.2 Xc90 has 199.000 miles no problems yet.
 

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So they are talking about the R.E.A.D assembly. If they diagnosed the AC compressor over the READ, then I would absolutely get a second opinion on that. They are on opposite sides of the engine and really should have been easy to tell apart. More so, they should have just pulled the serpentine belt for a few seconds to see if the sound goes away. There have been some instances with a failure but... it could be anything there. It could be the water pump pulley, power steering pump, the one way clutch on the read assembly. On the front of the engine, it could be the alternator (which is closer to the AC compressor than the READ) brake booster, or it could be internal. My point is to get a second opinion. If it is the read, then so be it, but if not why spend that money on such a large maybe. If it is the READ, and that does go, then the possibility of it cracking the block is high.
You are mistaken sir. The READ assembly is at the rear of the engine. The purpose of the READ to drive all the accessories, which also are mounted at the rear of the engine (space saving to fit the 3.2 liter engine transversely in the engine bay with the TF80 transmission). The A/C compressor certainly is not "on opposite sides of the engine" from the READ. In fact, it is rather close to it. For that reason, it can be difficult to distinguish where a noise is coming from back there.

I do agree however, that more thorough diagnostics could/should have been done before suggesting a $1500 repair, particularly when the owner did not bring the car in with a noise complaint.

I also second your suggestion to get a second opinion as well.
 

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You are mistaken sir. The READ assembly is at the rear of the engine. The purpose of the READ to drive all the accessories, which also are mounted at the rear of the engine (space saving to fit the 3.2 liter engine transversely in the engine bay with the TF80 transmission). The A/C compressor certainly is not "on opposite sides of the engine" from the READ. In fact, it is rather close to it. For that reason, it can be difficult to distinguish where a noise is coming from back there.

I do agree however, that more thorough diagnostics could/should have been done before suggesting a $1500 repair, particularly when the owner did not bring the car in with a noise complaint.

I also second your suggestion to get a second opinion as well.
no, no. the read is at the rear of the engine, the compressor is at the front and also not even attached to the block. (opposite sides). They should have been able to determine with a stethoscope an approximate location of the noise. the only connection made between the two is the Serpentine belt which would not carry a noise as they were suggesting.
 
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