It is never pleasant to discover a sound on your vehicle that you don’t know where it comes from. You may be wanting to know what to do when you notice a reversing gear noise that remains on your Mercury Grand Marquis? Any gearbox trouble can be serious, but before making sure, it is better to do a few checks. Our team has created this paper to support you resolve it. First, we will see what the sources and the different gearbox noises can be on Mercury Grand Marquis, and second, what are the solutions available to you.
Classical reverse Mercury Grand Marquis noises and some tips to protect your gearbox
Why does the reversing of my Mercury Grand Marquis make a different noise from my other speeds?
De facto, adding all gears, bearings and pinions into a gearbox is a difficult exercise. The sound generated by the reversing of your Mercury Grand Marquis is logical. It can be explained in a fairly simple way. In fact, the gears used for conventional speeds (1st to 5th or 6th) are so-called “helical” gears (oblique gears) . The use of such a pinion makes the noise caused by the gears much less important than with spur gears chosen for the reverse gear.
Tips to limit wear on your clutch and gearbox
- Don’t give a big boost:
Indeed, if you kick the throttle hard when you are in reverse or when you put the vehicle in the revs, you risk to burn your clutch or gnawing at the gearbox pinions. - Never reverse while the vehicle is in motion or vice versa:
Reversing the direction of operation of the gearbox during operation is a very bad choice. In fact, the pressure you will put in on the gears will be significant and you will create a premature wear and tear of the gears. You can even break the gears of your gearbox at speed by doing so. It will therefore be completely common if you listen to a reverse noise on your Mercury Grand Marquis if you shift gear under these conditions.
Different Mercury Grand Marquis reversing noises and their causes
Finally in this section, we will move on to what you are probably most excited about in this content, to find out about the cause of reversing noise on Mercury Grand Marquis. Here are the 3 typical noises you may be victim of.
I listen to a grinding noise when starting in reverse gear
If you discover a grinding noise when you start in reverse with your Mercury Grand Marquis, it may be the engine mounts that are tired. In fact, when the engine is in reverse gear, due to the pinions we saw above the vibrations produced by the gearbox are higher and it is therefore plausible that due to their wear the silentblocks no longer absorb the engine vibrations well. In this circumstance, do not hesitate to browse this content page for more details about strut mount noises on Mercury Grand Marquis.
An increased reverse knocking noise on Mercury Grand MarquisX
If you are subject to a knocking noise when you are in reverse with your Mercury Grand Marquis and this noise tends to amplify as you gain speed. It is plausible that you are experiencing a serious trouble that needs to be fixed very fast before wrecking your entire gearbox. In fact, an intensifying rattling noise means that the gears are damaged. If they are, debris will disperse to the rest of the box and damage other gears before long. Take your vehicle to your mechanic quickly or browse this document about gearbox noise on Mercury Grand Marquis for more information.
I listen to a noise when I go in reverse
Experiencing a noise when you shift into reverse is normal and relating to the gears and sprockets used in the gearbox. If, on the other hand, you have the feeling that your Mercury Grand Marquis reverse gear makes more noise than before, it is plausible that filings have been created and are moving around in it. It is therefore time to empty the box.
