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Secondary air trouble shooting

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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erikv11
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Year and Model: 850, S/V70, 06 S60R
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Re: Secondary air trouble shooting

Post by erikv11 » Thu Sep 13, 2018 11:48 pm

I have used an oil drain plug for that empty exhaust bung, but I don't recall the thread pitch. Agreed, pretty liberating to get rid of the SAS equipment.

On my NAs I have used Posi-Tap connectors on the harness, no clipping of wires.

For turbo cars though, I just flash an ECU with no SAS (or pull one from a junkyard). With flashing you can also set the monitors readiness count to zero.


'95 854 T5-R || m4.4 || 185k
'96 855 NA || 140k
'98 V70 || T5 tune-injectors-turbo, LPT engine || 275k
'06 S60 R || 145k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 NA S70 174k

WhatAmIDoing
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Year and Model: 1998 S70 T5M
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Re: Secondary air trouble shooting

Post by WhatAmIDoing » Fri Sep 14, 2018 12:07 pm

erikv11 wrote:
Thu Sep 13, 2018 11:48 pm
I have used an oil drain plug for that empty exhaust bung, but I don't recall the thread pitch. Agreed, pretty liberating to get rid of the SAS equipment.

On my NAs I have used Posi-Tap connectors on the harness, no clipping of wires.

For turbo cars though, I just flash an ECU with no SAS (or pull one from a junkyard). With flashing you can also set the monitors readiness count to zero.
Hmm, I should get my ECU flashed for no SAS. The only traces of SAS left are in the ECU, the VIN, and the airbox (wish I could find a no SAS turbo airbox).


'98 S70 T5M - 260,000+mi

Hateprojects
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Re: Secondary air trouble shooting

Post by Hateprojects » Fri Sep 14, 2018 2:33 pm

Thanks for mentioning cooking the diode. It was hot. I think I'll put some more effort into finding my small iron and replace it.



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