Tag: service

Volvo S80 2.4T Alarm Siren Module fix

As a lot of older Volvo’s, my S80 showed the cumbersome “Alarmservice needed” message. I decided to search for a fix instead of buying a new one, which costs about €280 – €300, which is a lot of money.

The process is very simple, slicing open the siren, disconnecting the battery pack and plugging in the new battery pack. The hard part is to remove the security bolt, I used a angle grinder and then tapping it out. I used a normal bolt when I mounted the siren again.

I bought it here: https://www.ebay.com/itm/152151139597

S60, S70, V70, S80 & XC Series
Type: Varta button cells
Rating: 7.2V, 320mAh
P/N: GP320BVH6A6, N2H280
Finish: Green wrapped
Connector: Mini-Volvo connector
Compatible with 8637399, 8622268, 9452709 & 9162941 siren modules
Cable length: 60mm

Volvo S80 2.4T Siren Module repair




Volvo S80 2.4T Fitting a new Compressor Bypass Valve (CBV)

I noticed some strange behaviour when lifting the throttle and decided to service the CBV aka Compressor Bypass Valve. I was right, car drives a lot better after replacing it with a fresh CBV / DV (Diverter Valve).

I went with an aftermarket TRITDT K5T09671.

Volvo S80 2.4T New TRITDT Compressor Bypass Valve (CBV) repair kit

Volvo S80 2.4T New TRITDT Compressor Bypass Valve (CBV) vs Old

Volvo S80 2.4T New TRITDT Compressor Bypass Valve (CBV) vs Old

Volvo S80 2.4T Fitting a new Compressor Bypass Valve (CBV)




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