Lotus Elan

Rust Inhibitors

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Lotus Service Bulletin
Class 111
Number 1971/22
Type +2
Date 23.4.1971
Title: Rust Inhibitors
Reason: To advise Service personnel on the implications of using rust inhibitors.
Charges: U . K. - Warranty
EXPORT - Factory
- Distributor

Engines destined for certain markets, in particular Component Build cars, will in future be treated with Rust Inhibitors as foIIows:

  • Internally - The inhibitor, which is Esso 'Rust Ban' 603 (Part No. A036 K 6024), is inserted through the sparking plug holes, the engine then being rotated by hand to ensure the inhibitor is fully dispersed.
  • Externally - The inhibitor, Esso 'Rust Ban' 394 (Part No . A036 K 6023), is applied to all bare ferrous metal surfaces, including the fly-wheel. When fitting a clutch assembly, ensure that the fly-wheel face is clean and dry.

    NOTE: When the engine is first started, the rust inhibitors both internally and externally, will be burnt, This process will cause some amount of smoke to issue from the exhaust system (internal application) and from the engine compartment (external application). This smoking is quite normal and will disperse as the engine is used more and gets warmer.