Questions & Answers for: Mercury Mariner how to tell if gear

My O/D Light is blinking on the dash of my Mercury Mariner. It also jumps going into gear. it might be a sensor that is behind the dash board

gear shifter for 40 h. p. mariner outboard I removed the lower unit on my 40 horse, 1986 mariner outboard, to repair the water pump. When I replace the l. u. the gears hang up and I can't free them ...

...gear, the tell tale stopped, and would not start back. All pipes, (tubing) has been checked and appear to be 'open'. It dose not appear to hold its prime and continue pumping the water through the ...

mercruiser control box won't engage into forward or reverse. Revs like it should in both directions. Any suggestions? on the engine u have a gear solector that transfers the movment of the control box

I have a 2008 Mercury Mariner and my wrench light came on. My engine is also having problems shifting gears (the rpm's go really high before it will shift gears) Any idea what is causing this? I ...

the o/d light flashes and the transmission wont shift into overdrive on my 2007 mercury mariner. it has the cd4e transmission. i changed the tss and the solenoid pack on the valvebody i get code 1870 ...

Sometimes I cannot get the gear shift on my hybrid mariner to go all the way into park. It seems to be in park but I don't get the "square around the P". I can turn the car off but the key will not ...

My 2008 Mercury Mariner has the yellow wrench on and it does not shift well at low speeds. It runs high revs before changing out of first gear. What can be wrong? Get parts store to read codes.

My 2008 Mercury Mariner does not shift gears well and the orange wrench light is on. Your transmission needs to be diagnosed, either the TCM ( transmission control module ) is defective or the ...

how do I install a starter ratchet wrench by laying on your back under the vehicle and unbolting it after taking the wires off . then fighting the new one into place In addition to the other answer by