GM recalls 721K trucks with 6.2L engine

deezler · 2025-06-26T14:31:03-0400

They are using a 0W-40, actually. Yes probably synthetic. The specific brand of oil does not really matter so much as the viscosity grade. So any good synthetic 0w40 or 5w40 would work fine. make sure it is "dexos" compliant, should say on the jug. Dexos is GM's oil quality specification.

Edit: I googled for dexos compliant 40 weight oils and am not finding much yet. Mobil 1 ESP 0W-40 is terrific oil but i can't confirm dexos on it.
edit #2: You'd be good with that. Here's the official list:

GM Dexos List

Straightgrain3016 · 2025-06-26T15:04:31-0400

Disaster for people who use their truck to make a living.

Joel/ak · 2025-06-26T16:00:24-0400

We recently went used truck shopping since my wife totaled out our 1 ton and decided to go back to a 1/2 ton.

Looked at a real nice 2022 chevy. Seen it had a 6.2 and walked away. It's still there.

Engine sounded good but not gonna take the risk.

RayIN · 2025-06-26T16:45:22-0400

I only have a GM 5.3L engine, but I switched to a heaver motor oil @ 88K miles. Engine runs quieter and it seems like power output is a tad better (AT shifts less), mileage did not change.

ruffdog · 2025-06-26T17:14:12-0400

Straightgrain3016 said:
Disaster for people who use their truck to make a living.

The neighbor has six 1/2 tons with the 6.2 in his fleet. He has had no problems yet. He also has a bunch of 3/4 and 1 tons.

BTW....the 6.2 crank journals are the same size as the 5.3 and use the exact same bearings. Bad cranks from one supplier can cause quite the problem.

bdhsfz6 · 2025-06-27T07:47:53-0400

Joel/ak said:
We recently went used truck shopping since my wife totaled out our 1 ton and decided to go back to a 1/2 ton.

Looked at a real nice 2022 chevy. Seen it had a 6.2 and walked away. It's still there.

Engine sounded good but not gonna take the risk.

I talked to my dealer, who is also a friend, about trading in my 2022 GMC Sierra 1500 on a new model. He said trade in values are down now due to the recall and recommended I wait until the issue is resolved..

yomax4 · 2025-06-27T10:27:20-0400

bdhsfz6 said:
I talked to my dealer, who is also a friend, about trading in my 2022 GMC Sierra 1500 on a new model. He said trade in values are down now due to the recall and recommended I wait until the issue is resolved..

I had a similar situation with a dealer/friend. Usually that will get you a better trade in if you bought it there. Now they don't even want their own vehicles back.