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Volvo Repair Category: Engine Breathing, PCV, EGR, Idle Air Control Valve
PCV Job for V70 and S70 Non-turbo
Since mine is a Non-Turbo, there are minor different designs compared with Turbo Models. In addition, I will point to areas of possible problems for people. – Read the above write-up for Turbo. – Copy Radio AM FM channels, disconnect … Continue reading
Getting my V70 Back to Stage 0
Restoring a free ’98 V70 (B5254T = light pressure turbo, 190 hp engine) to a generally dependable condition, suitable for around town and highway drives. This topic mostly speaks to the timing belt replacement and which parts are to be … Continue reading
Volvo 240 Diagnose & Repair: TPS, MAF, PCV, Acceleration, Fluids
This Volvo Forum topic covers a whole slew of 240 issues. It’s “all over the map”, but you’ll find something to interest most 240 owners in it. mass airflow sensor (MAF): how to check it throttle position sensor (TPS): how … Continue reading
Bad Used Volvo Purchase
Follow the Fallout of a Bad Used Volvo Purchase This is a good example of what not to do when buying a used Volvo. (What TO do when buying a used Volvo? Read our Volvo Buyer’s Guide, ask questions here in … Continue reading
DIY VVIS? I Did.
DIY Non-turbo Volvo Variable Intake System (VVIS) Non-turbo Volvo 850s and S70/V70 cars made in 1995 to 2000 were missing something their earlier brothers from 1993 and 1994 had: Volvo Variable Intake System. VVIS essentially made the engine more efficient … Continue reading
PCV System Repair on a Volvo 5-cylinder
PCV System Cleaning Tutorial w/ Pics This tutorial will help you clean the PCV system on your 1993-2000 5-cylinder Volvo engine. Keep in mind that this is focused on a later-generation Turbo model (I have a 1998 S70 T5), there … Continue reading
Volvo 850 (very) high idle at startup, then up and down
Idle Air Control Causes Poor Idle It appears we have a winner. Took out the IAC, sprayed it liberally with carb cleaner (didn’t touch the connector, don’t trust carb cleaner around those, but I might be paranoid) and replaced. Also … Continue reading
89 Volvo 740 Random Stalls Ignition Failure
Various Volvo 740 and 760 Stalling Fixes Example: Eventually found on a forum that the radio suppression relay solder joints were cracked. I re-soldered the joints and had no further issues. This and more found in the Volvo Forums. 89 … Continue reading
850 N/A Throttleplate Modifications
Easy way to check is the diameter of the TB. NA 850s and the 960 have a 65mm throttle plate. If the S70 is the same then you’re in business. Any 960 throttle plate should work. 850 N/A Throttleplate Modifications