Will put 3-in-1 penetrating oil round the bleed nipples as well. I realise that suburban driving is not great for cars and especially the oil, the natural instinct is to look at the mileage and think "Oh, the oil only needs to be changed at 9000 / 12000 / 18000 mile intervals", and before you know it it's done 3 years of short stop-start journeys.
2 Refer to the Owner Manual for Cold Temperature Operation oil viscosities. 07-2021 A 2021 ENGINE OIL CAPACITIES (WITH FILTER) – U.S. and Canada only BUICK MODEL ENGINE RPO SPEC - LITERS SPEC - QUARTS GRADE/VISCOSITY Enclave 3.6L V6 LFY 5.7 6.0 dexos1 5W-30 Encore 1.4L L4 LUV 4.0 4.2 dexos1 5W-30 1.4 L4 LE2 4.0 4.2 dexos1 0W-20
500 ± 15 grams (17.6 ± 0.5 oz.) Refrigerant Oil . Use a PAG oil . with R134a . Oil PN & Capacity . For Delphi,Denso . Use: G 052 300 A2* 110 cc ± 10 cc
. 102 467 26 100 245 317 9 404