Cadillac Escalade ESV low oil pressure issue after oil pump replacement on Cadillac Escalade ESV

Some Cadillac Escalade ESV owners report experiencing low oil pressure after an oil pump replacement, which may indicate a need to verify the actual oil pressure in the engine block to confirm the replacement's success. Potential causes for this issue include a faulty oil pressure sender, engine wear, a worn oil pump, low oil levels, or a clogged oil filter. Additionally, some owners find that using oil with a lower viscosity in colder climates can help improve oil pressure performance. Ensuring the engine has the correct oil level, especially when hot, is crucial to avoid low oil pressure warnings. If low oil pressure persists, further inspection of components like camshaft bearings or oil pressure relief valves may be necessary. It is advisable for owners to seek a professional assessment from a qualified mechanic or dealership if the problem continues despite these measures.