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3. MDS SOLENOID 7 With the scan tool actuate the MDS Solenoid 7. Can you feel and hear the Solenoid Actuating? Yes >> Go To 4 No >> Remove the Solenoid and check for any debris that may be blocking the oil passages to the Solenoid. If the passages are restricted, clean the passages and replace the MDS Solenoid 7. If the passages are Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 4. OIL PASSAGES RESTRICTED Turn the ignition off. Remove both Solenoids on Bank 1 of the engine block. Remove the Bank 1 Cylinder Head per Service Information. Remove the Lifters from the left engine bank. Inspect the oil passages to the Solenoids and from the Solenoids to the lifters. Are the passages blocked? Yes >> Clean the oil passages as necessary. If the entire engine is restricted disassembly of the entire engine block may be necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Replace both sets of lifters if no other possible causes remain. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 916 ENGINE ELECTRICAL DIAGNOSTICS LX |