Volvo S40 Questions

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the thermostat seems to work fine i have lots of heat ,i didn't know a LOW temp coolant would trigger a code could this be a sensor ?? any tips ,please and thank you
Lost power pullled over and towed
and reset lite
There are no OBD codes as I have fixed and gotten rid of all the codes that came up. I replaced the timing belt and accessories and timing is dead on, starter is good, alternator is good, battery is good, fuel system...
My brother brought me his s40 and said it has no reverse and wanted me to check it out. I opened up the trans and it smelled like gear oil so I asked him about it and he said he put gear oil in the front differential....
Only starts after car has been running for over 1/2 hour or so. May start sooner on a hot day and/or in constant traffic. Does not appear to come from the engine. Can hear it best in rear seating area, and sound...
Repair was made to gear selector problem and drove the car a short distance and it went dead. It is showing a P0603 code - but I've been told this could be a failed starter control module?? HELP
the terminals on my battery were cleaned, and now nothing in the car works no lights and wont turn on. however there is a clicking sound under the passenger side dash and a little light barley flashing???? help
Is there a special tool needed to replace the timing belt
I am having water pooling in the drivers side rear passenger floor board And the front passenger floor board I see from the posts that there is a tube from the sunroof It might be clogged How can I find this...
While driving, happens more and more frequent (4 or 5 times today), if I shut of a/c for a few mins and turn back on it works like normal for a little while
cools for a little while then shuts off or blows hot can cut off a few minutes and then turn back on and its ccol again.
I saw previous answer referencing the blower box. How do i access it. I have no idea where it or the cabin filter is located.
I can see where coolant is leaking from two hoses and took it in to be serviced. The est. came back at just over $900 to repair the Gasket-Thermostat, hoses, and coolant system service w/ extended life. Is this all ne...