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Bad Air Pump & SAS Valve - PO410 - Secondary Air


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Hi All:

I have got the same problem that emerysmith had reported in this forum. I have a Volvo 1998 S70 GLT. I have the CEL on for the last 1 year. I did not worry about that indicator as the car has been running smoothly without any problems.

I went for the Emissions test and they said that my car had failed due to the following code: P0410 Secondary Air Injection System. I have never worked on my car before. But after looking at this forum and after seeing postings from pfeener and others, it gives me little confidence to atleast open the hood and look into it, if not repair it.

I went to the Volvo Dealer (Lisle, IL) and he said that they will charge $208 for just diagnosing the problem. Based on other posts here, if the problem is with the Air-pump, SAS Valve and/or O2 sensor, then I would be looking at around $800 in repair charges.

Pfeener - can you please recommend on what should I do. Can I take it to other mechanics other than the dealer?

Irony is I have a 1992 Nissan Sentra with 160K miles and that passed emissions in flying colors. But my Volvo which has only 97K on it has failed the emissions test.

Please advise. All your help would be greatly appreciated. Thanks.

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Hi All:

I have got the same problem that emerysmith had reported in this forum. I have a Volvo 1998 S70 GLT. I have the CEL on for the last 1 year. I did not worry about that indicator as the car has been running smoothly without any problems.

I went for the Emissions test and they said that my car had failed due to the following code: P0410 Secondary Air Injection System. I have never worked on my car before. But after looking at this forum and after seeing postings from pfeener and others, it gives me little confidence to atleast open the hood and look into it, if not repair it.

I went to the Volvo Dealer (Lisle, IL) and he said that they will charge $208 for just diagnosing the problem. Based on other posts here, if the problem is with the Air-pump, SAS Valve and/or O2 sensor, then I would be looking at around $800 in repair charges.

Pfeener - can you please recommend on what should I do. Can I take it to other mechanics other than the dealer?

Irony is I have a 1992 Nissan Sentra with 160K miles and that passed emissions in flying colors. But my Volvo which has only 97K on it has failed the emissions test.

Please advise. All your help would be greatly appreciated. Thanks.

Sounds like the air pump. Get a new one with Sas valve and gasket. Do the drill mod on the blower motor as described previously in this thread. It's best to shop around for the blower though. I found my best price at Topping Volvo through the internet - better than FCP.

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If you replace the air pump and the SAS valve, you'll most likely be done with it. The cost is in the parts; the labor is minimal (under 2 hours). A new pump is around $300 and a SAS valve is around $90. If you're even marginally handy with tools you could get a VW pump for under $100 (I think the one I used last time was around $45 including shipping off of ebay) and do the modification to it to make it work. There's no risk here; even if you screw it up, it won't affect anything else. Read through this post and others and you'll get all the information you need.

You can take it to any indy that's even marginally familiar with Volvos. It's a simple repair if they know anything at all about the system. Send me an email through the forum if you have any specific questions. I'll be happy to help you out if you want to do it yourself.

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Seamus is correct, it could just be your SAS valve. Usually it's both the pump and the valve, but it doesn't half to be. Remove the air pump and you'll know right away. If the SAS valve was open or leaking the pump will be full of water right to the top. If the pump doesn't have any water, connect it up to the battery and see if it will run and pump some air.

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Hi All:

Thank you everyone for your responses.

Underlord: I went to AutoZone and erased the CEL Indicator. Can I take it to the Emissions test and pass the test?

The Vehicle Inspection Report has a separate section for Repair Data which should be filled and signed by the Repair Technician. Does anyone know if this is mandatory? I am thinking if the car can pass the exam without any repair, why not go that way?

Does anyone have any experience or comments?The CEL is not coming right now.

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The CEL will be back within 100 - 200 miles, depending on the type of driving you do. When the CEL is reset, the ready monitors are also reset. Over the next few hundred miles, as you drive, the system will run through the various system monitors. When it gets to the secondary air monitor, the first time it fails it will set a "pending" PO410 code and the second time it's tested and fails it will turn on the CEL.

I don't know about the state of Il, but in Massachusetts it would not pass.

Yes you are correct in that if you do get an inspection sticker, you can drive your car with a failed secondary air system without any ill affects. The problem is with the CEL on all the time, you won't know if any other CEL codes get set.

On your 98 S70, you can reset the CEL by disconnecting the battery for a few minutes.

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Guest Guest_FtS1721_*

Hey i was just searching for this on the forum i had a questions for everyone... the guy who i bought my 98 S70 T-5 a couple of weeks ago but he told me he doesnt have an air pump or an SAS valve in the car at all... he told me that u dont really need it for driving... i am assumin this is not tru... but is it bad for me to drive the car?

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Hey i was just searching for this on the forum i had a questions for everyone... the guy who i bought my 98 S70 T-5 a couple of weeks ago but he told me he doesnt have an air pump or an SAS valve in the car at all... he told me that u dont really need it for driving... i am assumin this is not tru... but is it bad for me to drive the car?

1. he's probably wrong. (that the car doesn't have one) do you have a CEL?

2. no, this doesn't have any purpose besides emissions.

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Guest Guest_FtS1721_*

o no he told me the car itself has one but he said he took it out... but my CEL light comes on from time to time cuz of it i just didnt know if it was really serous or not to be driving witout one ... thanks for the help...

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o no he told me the car itself has one but he said he took it out... but my CEL light comes on from time to time cuz of it i just didnt know if it was really serous or not to be driving witout one ... thanks for the help...

haha, he took it out..

if he took it out, the car will throw a CEL for it, but it's not really serious.

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Pfeener, CEL came back after just 25 miles. I also checked the IL website for Vehicle Emissions testing and it talks about around 10 to 12 Readiness Monitors etc. Looks like the emissions-test for 1996 and newer cars are pretty stringent. They will fail me if two Readiness Monitors are not run. I am getting little nervous about doing the repair work myself.

Reading the document for Replacing the Air-Pump was good but it talks about removing the battery and also some Radio Codes etc. Also the IL Emissions Testing center wants the Report signed by a mechanic with receipts for the labor/parts. I am planning to take it to a Indy for an estimate. Atleast now I know what could be causing the problem. Thanks all for your support. This is an excellent forum for everyone.

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25 miles is pretty quick for a PO410 CEL to reappear. The secondary air monitor routine is pretty far down the list and usually takes at least 100 miles or so. It also has to fail twice before the CEL will turn on. I would read the codes. I think you may have more than one thing happening here.

I'm betting you get an O2 sensor code as well as the PO410 code. (Just a guess)

PS; You will need the radio code no matter who does the work. When the battery is disconnected it drops power to the radio and you'll need the access code to get it working again (anti-theft thing). The code came with the paper work when the car was sold new. If you don't have the paperwork (it's on a credit card size thing), the dealer can supply the code for you.

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Pfeener, I went to the Dealer asking for a quote for the Air-pump, SAS Valve and O2 sensor.

Here is what I have

MAKE: Volvo MODEL YEAR(S): 1998 MILE:

100000 |

| MODEL : SVC70 OPTIONS: Base PL:

8 |

| ENGINE(S): 2.5L 5Cyl (56) Turbo See VIN TOTAL $

1194.66 |

------------------------------------------------------------------------

--------

| OPERATION SUMMARY INFO

CODES CP |

| LN JB OPCODE DESCRIPTION PART

AVAIL |

|* 1. 25427-3 Air Pump Check Valve, r&r - S70, C70 Y

144.89|

|* 2. 1 FSD2 EMMISIONS SYSTEM DIAGNOSTIC - All M

212.16|

|* 3. 2 25412-2 Oxygen Sensor, r&r - Front C70, S70 97/98

YM

418.81|

|* 4. 25412-2 Oxygen Sensor, r&r - Rear V70 W/ Turbo 97/98

YM

418.81|

|

|

|

PARTS: $ 591.30 |

|

LABOR: $ 540.80 |

|

SHOP SUPPLIES $ 22.65 |

|

TAX: $ 39.91 |

|

================ |

|

TOTAL: $ 1194.66 |

Had a few questions. Where can I search for these parts on the web. Does anyone have the OEM number for these parts. When I searched using the part-numbers given above, I draw a blank.

Also, the dealer did not quote me on the Air-pump. Does that mean that my air-pump might be reusable?Also do I need to replace TWO Sensors as quoted above. This is just an estimate without doing the diagnostic-testing. Pfeener - any suggestions?

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