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For 1990-2009 cars only

Replacing The Oil Filter Cartridge - keywords cartridge cap change engine filter oil o-ring seal

Subject:Replacing The Oil Filter Cartridge

Models:2004-2008 Cadillac CTS, SRX, STS
w/LP1 2.8L or LY7 3.6L V6 engine



The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:

When replacing the oil filter cartridge, it is not necessary to replace the oil filter cap o-ring seal. However, if the o-ring seal is replaced, care must be taken to ensure proper assembly of the seal to the cap so that it does not leak.

Recommendation/Instructions:

When replacing the oil filter cartridge, it is not necessary to replace the oil filter cap o-ring seal. However, if the o-ring seal is replaced, care must be taken to ensure proper assembly of the seal to the cap so that it does not leak.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.