2026-09-15
Lexus NX 200t/300 Timing Chain Tensioner – Cold Start Noise Fix Malaysia
The NX 200t/300's 8AR-FTS engine uses an oil-lubricated timing chain with no replacement interval. However, early 2015–2017 NX 200t units are known for a brief rattle on cold starts due to timing chain tensioner pressure drop. Fix: strict 7,500 km oil change intervals using 5W-30 full synthetic. If rattling persists beyond 5 seconds, have the tensioner inspected. No timing belt exists on any NX.
NX Timing Chain
Both NX engines — 8AR-FTS 2.0T and 2AR-FXE hybrid — use timing chains. On the turbocharged 8AR-FTS, oil quality is critical for chain longevity: use 0W-20 full synthetic, change every 10,000 km maximum, and never skip intervals. The turbo generates higher oil temperatures which degrade oil faster than naturally aspirated engines. Clean oil = healthy chain.