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Repair Database Category: Boost

Topics concerning boost: fuel-air mixture, psi, air temperature, turbo models and brands, turbo lag, vacuum hoses…

September 17, 2014

S70 DIY Boost Gauge Install Complete Guide

MVS Volvo Forums Contributor mecheng crushes the ball out of the park with a guide on installing a boost gauge in an S70. This will be identical to V70 and XC70 Volvos, 1998-2000 model years, and very close to 850s. Here’s my 850 headliner boost gauge install. Remember, it’s always the pink wire. Ok, I […]

S70 DIY Boost Gauge Install Complete Guide
July 31, 2014

Vacuum Lines on Turbo 1993-2000 850/S70/V70/XC70

MVS Forums Contributor and enthusiast CN90 turns the volume up to maximum and cranks out a beautiful post about a particular Pre-2001 850/S70/V70/XC70 failure point: vacuum lines. [Looking for non-turbo vacuum line routing?] I just want to dedicate a thread strictly to photographing the vacuum lines in these aging Volvos. As the car gets older, […]

Vacuum Lines on Turbo 1993-2000 850/S70/V70/XC70
July 30, 2014

Vacuum Lines on Non-Turbo 1993-2000 850/S70/V70/XC70

MVS forums user Erik goes “full auto” and documents the vacuum lines on non-turbo Volvos in the P80 family: As a companion to a similar thread for turbo cars [vacuum line diagrams for turbo Volvo 850 and Gen. 1 S70/V70/C70/XC70], here is a thread dedicated to documenting the vacuum lines in the non-turbo (NA) 850 […]

Vacuum Lines on Non-Turbo 1993-2000 850/S70/V70/XC70
July 5, 2014

1997 S70 Replaced the 16T Turbo to 9 Blade Turbine

Who rebuilt their turbo? MVS Forums member Fosgate rebuilt his turbo. Here are his words on what he bought and how it went together: Just to give you a bit of feedback on turbo replacement to a cartridge with 9 blade turbine wheel. The car is 1997 S70 T5 (yep we got them in 97 […]

1997 S70 Replaced the 16T Turbo to 9 Blade Turbine
July 3, 2014

S90 Intermittent Hesitation At Low Rpms

MVS Forums member bloodrootfc asks, then answers, a question about diagnosing intermittent hesitation on his Volvo S90 sedan: After getting fed up with “try this” from 4 mechanics, I started doing my own diagnostics with a Torque app and scan tool, and calling the shots. My mechanic works faster than I do, and he does […]

S90 Intermittent Hesitation At Low Rpms