My 2003 SLE with 135,000 runs great and is not using any coolant. I do notice a little anti freeze pooled up in one of the small pockets on top of the engine. Been reading all the threads about UIM and LIM and am getting nervous. I do not see any reason to do anything at this point except monitor the situation. Would it make any sense to retourque the bolts or am I better off just leaving things alone?
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That'* pretty common. From the factory there is some sealant used on the LIM bolts. However over time sometimes oil/coolant does seep up them and onto the manifold. It'* not a critical issue, however will continue unless the gaskets are redone and the bolts cleaned and resealed.