Hubby took the 2010 Chevy in to get the oil and fuel filters changed today. He also is having the transmission flushed. Anyway the service tech started going through a list of stuff we needed to check/do. He thought we should have the injectors cleaned. Needless to say, this is pricey. The truck has 55,000 highway miles on it. It is virtually never driven except when we have the Creek out. Hubby puts Diesel Kleen in it regularly. So we were wondering if he was blowing smoke at us or if we should have the injectors cleaned. I know it is really pricey if they have to be replaced. But I also don't want to so something just for the sake of doing it. What say you guys? Especially the Chevy guys.

Clean fuel, clean filters, equal clean injectors.Sounds like a profit center for the dealer.

#1. No need to clean your injectors. You have fuel filters to clean your fuel.#2 DO NOT POWER FLUSH YOUR TRANNY. Allison say's NO to power flushing.Please read #3. If any shop recommends a "power" flush on an Allison 1000 I would not let them work on my lawn mower.

Tranny flush was not a power flush, just drained, put on new filter and added tranny fluid. The work was done at the local dealership where we have gotten all service done. FWIW, we have had no symptoms of injector problems; no smoking, lugging, or loss of power. Sounds like they were just trying to make some extra money. If we had done all the flushes they were pushing, brake fluid, power steering, fuel system and engine coolant, it would have come to nearly $1,000. Personally, I have never heard of flushing brake fluid or power steering unless you have had some incident that caused a break in that system.

Your truck came with a very valuable feature....the owner's manual. In it you will find every recommended service and at what intervals those services should be performed. Since it was written by the people who designed and built your truck, it should be the only source considered for information about service procedures. Always remember, the service writer works on commission, and the technicians only get paid when they work on a vehicle, so their interests are in selling services, often times unnecessary services.

The power steering system uses the same stuff that goes into the transmission. Why would you never change the power steering fluid? Brake fluid absorbs moisture. Engine coolant doesnt last forever. As mentioned read the owners manual.

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philh
Explorer II
Sep 27, 2018
Tranny flush NOOOOOO

Drain and fill, only at the recommended interval, and even then I'd be hard pressed to rationalize.

Power steering and trans, same fluid? I would highly doubt that, but don't own a GM.
Cummins12V98
Explorer III
Sep 27, 2018
"Tranny flush was not a power flush, just drained, put on new filter and added tranny fluid. The work was done at the local dealership where we have gotten all service done."

Please explain why it's called a "Tranny flush".

Best trans service is a fluid exchange that actually changes out ALL the old fluid. Never have understood a half AZZ trans service that just drops pan and refills and leaves several quarts of old fluid.
Fulltimer50
Explorer
Sep 27, 2018
The power steering system uses the same stuff that goes into the transmission.
Why would you never change the power steering fluid? Brake fluid absorbs moisture. Engine coolant doesnt last forever.
As mentioned read the owners manual.
DownTheAvenue
Explorer
Sep 27, 2018
Your truck came with a very valuable feature....the owner's manual. In it you will find every recommended service and at what intervals those services should be performed. Since it was written by the people who designed and built your truck, it should be the only source considered for information about service procedures. Always remember, the service writer works on commission, and the technicians only get paid when they work on a vehicle, so their interests are in selling services, often times unnecessary services.
jrs1871
Explorer
Sep 27, 2018
Tranny flush was not a power flush, just drained, put on new filter and added tranny fluid. The work was done at the local dealership where we have gotten all service done.
FWIW, we have had no symptoms of injector problems; no smoking, lugging, or loss of power. Sounds like they were just trying to make some extra money. If we had done all the flushes they were pushing, brake fluid, power steering, fuel system and engine coolant, it would have come to nearly $1,000. Personally, I have never heard of flushing brake fluid or power steering unless you have had some incident that caused a break in that system.
Turtle_n_Peeps
Explorer
Sep 27, 2018
#1. No need to clean your injectors. You have fuel filters to clean your fuel.

#2 DO NOT POWER FLUSH YOUR TRANNY. Allison say's NO to power flushing.

Please read #3. If any shop recommends a "power" flush on an Allison 1000 I would not let them work on my lawn mower.
Tyler0215
Explorer
Sep 27, 2018
Clean fuel, clean filters, equal clean injectors.
Sounds like a profit center for the dealer.

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