20 Most Recent 2000 Volvo S40 - Page 3 Questions & Answers

Only way to resolve this issue is to have a schematic available to trace where the hot line for your lights could be going over to the brake lights circuit and powering them on.

Check your Flame Trap System.

Driver side end of the exhaust cam under the engine stabilizer.

Sounds like a sticky/bad switch. You can try rapidly pressing the hazard button numerous times to see if switch will release. Usually it will. If not, you can pull the fuse for the hazards (location and identification in owners manual)

the temperature sender unit may be faulty , have the OBD codes read to confirm

fans are designed to run on after you shut engine down as engine temperature rise after switching off . running hot could be caused by the top hose having gone soft when you rev the engine the water pump sucks the hose flat stopping the coolant flow or the radiator is blocked and need flushing out

Could be. Check the fuses.

The best thing is to go to your local Volvo maintenance shop or Volvo experts to find out whats the problem..usually the coomon ones I think is the programs inside its ECU unit..you try this..ask the volvo experts to reset the ECU and lets see..if problem arise then it is no doubt you might need the sensor..hope this help..

It will be on the Driver side end of the Exhaust Cam. Pull the end cap off and clean unit that triggers the sensor before replacing. Also if there is oil on the sensor you will need to replace the Cam Seal.

it can be only mechanical obstruction - and that meant money... check if crank is straight, check if pistons move freely...

You set it by the book.

P0300 random misfire P0302 misfire cyl 2 P0304 misfire cyl 4.Check spark plug and wires and coils

You will get a misfore and the engine light will come on.

You can use a piece of pole or a wrench to pull the auto mechanism forward to release and renew the serpentine belt.

Pull the trans front cover and you will see the solenoids mounted to the valve body. NOTE: DON NOT USE aftermarket parts for any of the valves. Also use the Volvo pan sealer only. Save yourself the headaches.

yes - it costs $70 just for a new key and then an additional $150 to program it.

both codes are for crank position sensor problems. Change it.

yep could be, but check both radiator hoses if hot to touch problem could be heater water shut off valve, problem could be in the heater ac control module or heater air door or flap door actuator could be faulty many things will cause no heat problem but check to see if thermostat okay that could be the problem also check engine coolant level make sure there plenty coolant in coolant system.