Top 20 2001 Volvo S40 Questions & Answers

Question edited for clarity. Question moved to model category. You have a leak, you just need to find it. Look for leaks in the hoses. Do a pressure test. The most common reasons a Volvo S40 has a coolant leak are loose hose connections, a broken radiator, or a failed water pump.

Volvo S40 Coolant Leak - RepairPal.com

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Question edited for clarity. Question moved to S40 sub category. Check out the videos and also the images tab. https://www.google.com/search?q=volvo+s40+pcv+valve+replacement ..

try u tube

Here's the link and I'm sure you will get the solution of the problem https://www.reliable-store.com

faulty light switch or light control module

Have you replaced the filter and fluid every two years or 24K miles? Try fresh filter and fluid as a cheap possible fix.

Need more information

CHECK YOUR RESERVOIRS THE FLUID HAS TO BE LOWERING THE LEVEL AT THE SOURCE RESERVOIR

Does the smoke smell like burnt antifreeze or motor oil?

the variable timing wheel should be on the inlet cam. the timing marks should align on cams upper of rear inner belt cover the crank upper of oil pump housing

one unit that operates ratio changes and is connected to the engine is that vacuum operated actuator on the transmission it is possible that that unit is failing , vacuum hose is leaking and that will cause ratio changes as the vacuum varies run the fault codes to check for wiring problems or VSS or TCM problems as well

I WORK ON VOLVO TRUCKS BUT I HAVE A GOOD UNDERSTANDING HOW THESE THINGS WORK, I WOULD REPLACE THE CRANK AND CAM SPEED SENSORS.

could be a faulty sensor wire

check the volvo forum

If it's not on the front pulley,check the fly wheel housing ,could be a hole you shine a torch into.

whats a V V S ?? retail in a dealer or my price from a motor factor

On the left side or passenger side it has a green cap Regards Chris

I, feel sorry for you, after reading your problem, but don't worry you visit the Reliable-Store they will help you for sure. Best Manuals

What do you mean blocked? It says that on the display screen?

No you need to fix that damage.