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Old 01-24-2020, 06:50 PM   #10 (permalink)
Tahoe_Hybrid
Master EcoModder
 
Join Date: May 2019
Location: California
Posts: 513

2020 - '08 Chevy Tahoe H
Last 3: 18.4 mpg (US)

2021 - '08 Chevy Tahoe H
90 day: 17.08 mpg (US)

2022 - '08 chevy Tahoe LT
Last 3: 14.38 mpg (US)

2023 - '08 Chevy Tahoe
Last 3: 22.61 mpg (US)

2024 - '08 Chevy Tahoe
90 day: 22.35 mpg (US)
Thanks: 2
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Quote:
Originally Posted by aardvarcus View Post
Looking at some online pictures, the three phase electrical cables coming off the transmission look very very difficult to replace, if those are the ones you are talking about. I would suggest (after disconnecting all sources of power) a good cleaning of all terminals, a light coat of dielectric grease, proper re-torquing, and see how they do after that.

If your cables are getting corrosion between the actual wire and the end connector and that is the source of your issues, then yes replacement would be your best option.

I think your rear "muffler" is more like a resonator. Up to you on whether or not it would be worth removing to be able to add an aerodynamic diffuser in that location. I certainly wouldn't recommend aerodynamic treatment in this area unless that was removed. Putting sound deadening on the rear cargo floor and rear hatch might offset the sound that actually makes it into the cab.

Many people seem to find loud or obnoxious exhaust sounds desirable, so if it ends up too bad you can buy a sticker from your aftermarket exhaust company of choice. With this sticker attached to your rear hatch, people will believe you intended and spent significant money for the vehicle to sound like it does.
haha only going to do the 12volt system don't be silly...


since it only happens in v4 might be able to get away with it since idle in v8 the front muffler takes care of it v4 only works when the suv is moving.. and when i leave i can shift it into M4 which will run it in v8 only
plus it keeps mentioning vehicles with less then 6000 pounds GVWR

remember this is a light truck with a GVWR of 7300lb

the Tahoe c1500 is 7,300 lbs GVWR



that is why i able to have the Tow hitch on all the time when not towing since it's a Truck chassis . aka GMT900
apparently it's only legal to test it in neutral gear which means it will be in autostop the output from the muffler will be 0db..(might constitute an illegal search to open the hood to have the engine start in neutral gear and it will still only be in v8 )
hahah loop hole ..

Last edited by Tahoe_Hybrid; 01-24-2020 at 07:20 PM..
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