tracey nelson Posted June 2, 2004 Share Posted June 2, 2004 My '92 sc400 needs a tune up and I want to change the plugs but what needs to come off to get to the plugs? I can not even see the plug wires. HELP! Quote Link to comment Share on other sites More sharing options...
jeremyp Posted June 3, 2004 Share Posted June 3, 2004 To get to the plugs (and wires for that matter) you need to remove the black plastic cover in front of the intake manifold, the black plastic cover over the distributor caps/valve covers, and the inlet tube to the throttle body. They are sunk in the middle of the valve covers. Hope this helps. Quote Link to comment Share on other sites More sharing options...
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