2007 Yukon. Lost 1st and reverse gears in transmission. Replacement options?
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Marky Dissod
Full Access Member
Unless you plan on doing even more 'Heavy Duty' stuff than you do now,
either have your 4L60E beefcaked to 4L70-spec,
or find and order the above, and maybe send yours in as a core.
either have your 4L60E beefcaked to 4L70-spec,
or find and order the above, and maybe send yours in as a core.
petethepug
Michael
Ask and you shall Receive. The YXL Denali (all 07/08 & 09-14 AWD) got the 4L60. Same goes for the Escalade. The pick up trucks pretty much follow the same but not 150% sure on variances. 4L60e / 4L80e is the same as 4L60 /4L80. The only exception is that there’s and EARLY 4L60 related by name only that may confuse some.
Unfortunately, as stated in the video, the 4L80 is bigger, longer & heavier than the 4L60. View it and see the road you’ll need to travel on.
If you have the time, it’s worth it. Another resource is the 2015 & 2015.5 Escalade. 2015 got the 4L60 & 2015.5 got the 4L80 on their 6.2L. That means you’ve got two examples with a working model of both on the same chassis.
Unfortunately, as stated in the video, the 4L80 is bigger, longer & heavier than the 4L60. View it and see the road you’ll need to travel on.
If you have the time, it’s worth it. Another resource is the 2015 & 2015.5 Escalade. 2015 got the 4L60 & 2015.5 got the 4L80 on their 6.2L. That means you’ve got two examples with a working model of both on the same chassis.
Understood
I think I will stick to my generation and focus on 4L60E.
So it's 2007-2013 GMC and Escalade and Silverado with 6.2L, correct?
Marky Dissod
Full Access Member
WAITWAITWAITWAITWAIT a sec ...
What is your transmission RPO code?
Pop open the glovebox & check for
'MYC'
If NOT 'MYC', let us know what it is ...
What is your transmission RPO code?
Pop open the glovebox & check for
'MYC'
If NOT 'MYC', let us know what it is ...
mikeyss
Full Access Member
What am I missing here, there has never been a 6.2 4 speed combo. All 6.2's were mated to the 6 speed 6L80 in the SUV/Trucks.
+1. If it's an '07 Yukon Denali then it has the 6L80. Yes, Im sure.
You should have the 6L80 and what appears to be a no-movement condition. Have you replaced or rebuilt the trans as of yet?
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