Question about 1997 Ford Escort
The first Zetec engine appeared in 1992, powering the fourth generation of the European Ford Escort and Orion. It was codenamed as the "Zeta" engine before Italian car maker Lancia threatened to sue Ford for trademark infringement as it already owned the name. Ford hurriedly renamed the engine "Zetec".
Early versions of the engine (prior to mid 1998) came complete with self-adjusting hydraulic valves. This helped prevent the notorious valve tapping (on the CVH) but caused other issues. The biggest problem was that a special Ford formulation of oil was required otherwise the valves tended to stick. Similarly, failure to regularly rev the engine above 4000 rpm also led to valve sticking. For these reasons, conventional tappets with shims were introduced in 1998.
Hope this shed some light on you r deli ma Let me know MrRodneyLong@gmail.com
Posted on Jul 03, 2008
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