Volvo Turbocharger bypass valve replacement
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Volvo Turbocharger bypass valve replacement
Does My Volvo Need a Turbocharger Bypass Valve Replacement?
If your Volvo is fitted with a turbo, the turbocharger bypass valve or blow-off valve releases the pressurized air in the intake when the throttle body closes, pressures can skyrocket and force air into the turbo in the wrong direction which can cause internal damage in both engine and turbocharger.
The bypass valve or blow-off valve releases the excess pressure either into the atmosphere or back into the intake.
There can be a few ways to tell if your turbocharger bypass valve needs repair or replacement:
- Poor idling
- A different sound coming from the location of the turbo when decelerating (fluttering)
- Air leak sound
- Decreased boost pressure
The turbo bypass valve is a relatively simple design, aside from adjusting the spring pressure most repairs involve replacing the valve itself.
If your Volvo has a turbo fitted, the turbo system runs under very high pressures, it is important to get it looked at as soon as you notice an issue. Delaying any repairs could result in further damage to your engine and/or turbo.
Not all Volvo's are fitted with a turbo, check your owners manual or ask your AutoGuru mechanic next time you book a service.
Volvo Models
- Volvo 142
- Volvo 144
- Volvo 145
- Volvo 164
- Volvo 240
- Volvo 242
- Volvo 244
- Volvo 245
- Volvo 262
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- Volvo 265
- Volvo 360
- Volvo 440
- Volvo 460
- Volvo 480
- Volvo 740
- Volvo 760
- Volvo 850
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- Volvo C30
- Volvo C70
- Volvo Cross Country
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- Volvo S90
- Volvo V40
- Volvo V50
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- Volvo V70
- Volvo V90
- Volvo V90 Cross Country
- Volvo XC40
- Volvo XC60
- Volvo XC70
- Volvo XC90