Engine mounts — vibration and replacement

Tags: #engine-mount · #vibration · #mazda-6-compat · #price

This is the overview of engine-mount vibration and replacement on the X80; the details are split into the sub-topic cards listed below.

Sub-topic and related cards:

• Symptoms and inspection
• Part numbers and cross-fits
• Aftermarket brands and verdicts
• Replacement tools and procedure
• Prices and sourcing by date
• Engine mounts — wear detection and replacement
• Engine mount wear increases vibration
• Engine mounts (parts reference)
• Engine mounts — aftermarket experience and fakes

Symptom and cause. The left and right engine mounts (опоры ДВС) can degrade and tear over time, producing a noticeable engine vibration¹. One owner replaced both mounts after finding the right mount torn to shreds; replacing it (and the left, as a precaution) eliminated the vibration completely¹.

Parts used — FAW B50 cross-fit. For the replacement, the owner used a right mount sourced from the FAW B50, kept the left mount as OEM/original, and separately ordered a center mount, also from the B50, via Ozon after finding themselves impatient to wait². On the FAW B50 right mount, the mounting bracket portion unbolts, so you tension/pull it back into place and reinstall³.

Vibration at idle at 37,000 km — three-mount layout. On an automatic-transmission X80, idle vibration at 37,000 km was resolved by replacing the engine mounts. The car has 3 mounts total; the front-right mount is the primary weak point that most often fails and should be inspected first, though vibration can originate from any of the three. Hydraulic mounts are recommended over cheaper rubber-metal mounts for longevity^45678910.

Three-mount layout — function and wear pattern by position (with detail). The X80 has three engine mounts: (1) left and right upper mounts, which handle idle vibration and smooth acceleration; (2) the lower mount ("nether"), which prevents engine rocking under throttle/clutch-release cycles, especially during downshift braking. A worn lower mount causes steering-wheel vibration/chatter felt when holding the wheel at idle or during low-speed maneuvers. All three mounts can wear out by around 107,000 km; the right mount fails first most often, the lower mount is softest and can sag earliest, and the left mount typically survives longest. Diagnosis: check whether the steering wheel or pedals chatter, or whether the engine visibly rocks under load^{111213141516171819}.

Mount locations restated — three total, by function. Restating the three-mount layout already on this card with clearer location terms: (1) the right (front) mount holds the engine itself; (2) the left mount, positioned over the transmission, holds the engine to the transmission bracket/longeron; (3) the lower mount, between the transmission and the engine block, is a separate third point^20212223.

Media

Photo showing engine mount locations, referenced in the three-mount configuration discussion

Additional photo showing transmission-related mount locations

Related pages

• Engine mounts — vibration and shift jerk
• Engine mounts — part numbers and cross-fits
• Engine mounts — prices and sourcing by date
• Engine mounts — wear detection and replacement
• Engine mount wear increases vibration

Sources

This page is compiled from 23 community messages. Every fact carries a numbered reference to its original author and message.

Last updated: 2026-10-29