What is the Rear Brake Caliper and Disc Corrosion problem on a 2005 Lexus IS (XE20)?

Reliability Guide

Common Problems with the
2005 Lexus IS (XE20)

The 2005 launch of the second-generation IS (XE20) moved the model upmarket, dropping the inline-six and 'Altezza' styling for smoother V6 power and 'L-finesse' design. It also introduced Lexus's first (and only) diesel engine.

What changed for 2005

•Debut of the all-new XE20 generation IS.
•Introduction of the 2.5-litre V6 (IS 250) and the 2.2-litre diesel (IS 220d).

Common MOT watch-outs

!Emissions failures and DPF blockages on the IS 220d.
!Seized rear brake calipers, a very common issue on this generation.

Known Issues

Serious

Moderate

Minor

The 2005 period has an average number of reported issues compared to other Lexus IS (XE20) year periods.

All Known Issues

Rear Brake Caliper and Disc Corrosion

MinorBrakes

Age and low annual mileage can leave the rear calipers sticky and the discs rusty, even on otherwise very dependable petrol cars.

Estimated cost: £200–£450Affects: 2005–2013

Typical symptoms

•Inner rear discs heavily rusted
•One rear wheel hotter than the other
•MOT advisories for binding or pitted brakes

What to inspect before you buy

✓Inspect the inside faces of the rear discs
✓Check for a lip or pitting
✓Feel for excess heat from one rear wheel after the drive

Buying Tips for the 2005 Lexus IS (XE20)

✓The IS 220d diesel is notoriously problematic (EGR, DPF, head gaskets); the IS 250 petrol is vastly more reliable and the one to buy.
✓Check the rear wheels for excessive brake dust or a burning smell, indicating seized calipers.

2006–2007 Lexus IS (XE20)