Parts for your 2007 Lexus Is-Engine mount

2007 Lexus IS engine-mounts: what they do and when to replace them

Engine-mounts are absolutely fitted to the 2007 Lexus IS range. Lexus technical sources list them as standard components: the Lexus Technical Information System (TIS) repair manual for the XE20-series IS (including IS250/IS350/IS220d) contains an Engine Mounting section covering removal/installation and inspection procedures, and the Toyota/Lexus Electronic Parts Catalogue (EPC) lists left- and right-hand engine mounting insulators plus a rear transmission mount for these models.

On a 2007 Lexus IS, the engine-mounts secure the engine to the front subframe while isolating vibration so the cabin stays calm and refined. They’re typically hydraulic (liquid-filled) mounts tuned to soak up idle shimmy and drivetrain lash, especially noticeable under load or when shifting from Reverse to Drive. They also keep the engine sitting at the correct height and angle, which helps maintain proper exhaust, cooling and driveline alignment.

They’re not a scheduled replacement item, but they do age. Heat, oil exposure and stop–start city driving can soften or crack the rubber, or cause hydraulic fluid seepage. Most owners will first notice extra vibration through the seats or steering at idle, a thunk when taking off, or more engine movement under the bonnet when blipping the throttle.

• Tell-tale signs: noticeable vibration at idle with A/C on, clunk on take-off or shift, visible mount fluid leaks, sagging engine height, or harshness after cold starts.
• Inspection tips: at major services, visually check for cracks, perishing, or fluid weep, look for shiny witness marks where components have been touching, lightly lever the engine to assess excess movement.
• Replacement advice: support the engine properly, follow Lexus TIS torque specs, and tighten with the engine at normal ride height. If one front mount has failed due to age, it’s smart to replace both sides and assess the transmission mount at the same time.

Good quality OE or OEM-equivalent mounts keep NVH in check and protect adjacent parts like exhaust flex joints and hoses. In Aussie and Kiwi conditions, many cars see mount replacement somewhere after the 150,000–220,000 km mark, but spirited driving, oil leaks or heat soak can bring that forward. After replacement, a short road test to check for new noises and a quick fastener re-check after a few hundred kilometres is a tidy finishing touch.

Technical sources: Lexus Technical Information System (TIS) Repair Manual for 2006–2013 IS (XE20 series) – Engine Mounting, Toyota/Lexus Electronic Parts Catalogue (EPC) for 2007 IS – Engine mounting insulators and related hardware.

Does the 2007 Lexus IS have engine-mounts, and how many are there?

Yes. The IS uses two primary engine mounting insulators (left and right) and a rear transmission mount. Exact designs and rubber rates vary by engine variant, but the layout is consistent across the 2007 range.

What are the common symptoms of worn engine-mounts on a 2007 IS?

Extra vibration at idle, a thud when selecting Drive or Reverse, and more engine movement under the bonnet are the big giveaways. You might also notice a buzz through the steering when the A/C loads the engine, or a slight exhaust rattle as the engine sits lower than it should.

How long does replacement take and what should be replaced together?

A competent workshop usually allows 2–4 hours depending on model and corrosion. If one front mount has collapsed with age, replacing both front mounts and checking the transmission mount in the same visit is a cost-effective, long-term fix.