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Tag Archives: Turbo
Troubleshooting Low Boost
Underboost is a condition that can be caused by several issues including: Bad TCV Bad Turbocharger Failed boost sensor (for models that have them) ECU seeing overboost and cutting back until reset and condition remedied Failed MAF (for ecu’s that … Continue reading
Fitting the Right Turbo to Your 850
I have a ’96 850 Turbo Wagon and I need to replace the TD04HL-15G turbo. So I found one and took it to my mechanic this morning. Turns out it’s not quite the right one. The mfg # from what … Continue reading
S40 with White Smoke From Exhaust
S40 with White Smoke From Exhaust… Bad Turbo? A few months ago I noticed white smoke from the exhaust during acceleration when on the parkway. The white smoke doesn’t appear during startup, normal idle or when driving locally. At first … Continue reading
Let’s Talk Turbochargers: New or Rebuild
Turbo: New? Rebuilt/Reman? Or overhaul? Brand new turbo from Mitsubishi, $930 shipped, or Remanufactured turbo $525, or DIY overhaul, or some other things to try detailed in this “Turbo Talk” Volvo forum topic. This is a great read for anyone … Continue reading
Tightening up the Turbo Waste Gate ?
Wastegate Settings – Numbers and Theory The idea here is to assure the wastegate valve remains closed until the wastegate experiences the preset pressure in the VADIS doc above. Anything higher than the Vadis pressure and the wastegate valve shoud … Continue reading
Lost PSI on Turbo Boost
How to Isolate Low Boost Problems Usually if your wastegate is stuck open you wouldnt get 12psi. So, id say thats not the prob. but, what makes me wonder is when you disconnected the vac line to the wastegate why … Continue reading
’97 850 Turbo De-Tuning
Help Me Make My Volvo Slower! I know I’m going to sound stupid and ignorant with this, but I need to know if there is any way to tune down my 850 turbo. I kicks in at the slightest throttle … Continue reading
How to Refurbish a Turbo
Tailor has added a link to a great write-up on how to refurbish (essentially rebuild) your Volvo turbo with a kit easily available from online stores or eBay….I have seen these kits in complete form for under $80. This is … Continue reading