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RecallGazette

Vehicle problems, recalls & safety intelligence

Toyota 4RUNNER 2016–2018 — technical service bulletin

Bulletin T-TT-0441-17 · NHTSA communication 10142502 · issued Apr 12, 2017

Technical service bulletin
communication type
Equipment
component
2016–2018
model years
56
vehicle entries

Official summary

TT: During previous air conditioning service, leakage prevention agent (A/C stop leak) may have been added to the A/C system. Adding stop leak products to the A/C system is not a recommended or approved Toyota repair process. During A/C service, moisture enters the A/C system, and can react with the previously added A/C stop leak, forming a gelatinous substance. The gel substance that forms can cause the A/C compressor to bind and or seize.

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.