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Old 10-02-2007, 07:46 AM   #1
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since i have a stransmission common to the bonneville i am going to put this here because 3800 powered cars stuff seems to be easily forgotten.

as some of you know from the tx meet topic i have lost 4th. well worse yet first gear has started to whine.

do i need to be finding a junk yard core or is the transmission rebuildable? what shift kit? a specific brand of adjustable modulator? and is there anything else i should get?

i have 1400 and will be removing and installing it myself.
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Old 10-02-2007, 09:14 AM   #2
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1992-1999
Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88'*, Olds LSS'* and Buick Lesabres Please use General Chat for non-mechanical issues
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Originally Posted by ieatfeets
i am going to put this here because 3800 powered cars stuff seems to be easily forgotten.
Even though they might seem easily forgotten, it still belongs in the "Other 3800 powered cars" section. Remember, these sections are not here just for us, but also future members that might encounter the same problem. If we were to get another member with a Riviera with the same problem, they would search under "Other 3800 powered vehicles" for their problem, not the 1992 - 1999 section for Bonnevilles and such
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Old 10-02-2007, 02:34 PM   #3
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Good Move Crash... I agree... This needs to be here..

The 4T60-E is a common transmission.. That was attached to a battery of different engines..



There are differences in the PCM over the years, as well the Transmission wiring harness changed and the pin outs are different..

91-93 did not monitor tranny temps, but some models had a Temp switch, usually in traction models..

94-94( most of them ) did monitor Tranny temps via a temp sensor usually at the bottom of the valve body..

The Valve body also chaged a bit... The 4th input shaft changed as well...

Regardless, you will want the 4T60-E Jr shift kit( shift improver really ) This will correct for a lot of shudders we have with the 60-E... You may want to get a new 4th input, as well as a hardened coffee can ( reverse reaction drum ).... a few of the parts you will get will depend on the transmission you get..

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Old 10-02-2007, 09:32 PM   #4
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but do i need a junkyard core or can i rebuild it?
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Old 10-02-2007, 10:04 PM   #5
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If you are going to do the rebuild, I would say tear it down and see if it is rebuildable.

I am going to say it will most likely be rebuildabe, but will need a master overhaul kit that includes friction plates, steel plates, seals, etc... I also like to use a NEW torque converter with a rebuild.

If there is any internal damage to the hard parts ( gears, shafts, etc.. ) you will need to source them from a local transmission shop or many times you can get a junkyard trans that slips bad for a cheap price and use those parts... if they are good.
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Old 10-03-2007, 12:15 AM   #6
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sounds good. to me.
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Old 10-03-2007, 07:42 AM   #7
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i know i have to run a converter its basic knowledge you have to run a converter. i meant to say one of a higher stall.
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Old 10-03-2007, 02:38 PM   #8
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Quote:
Originally Posted by ieatfeets
i know i have to run a converter its basic knowledge you have to run a converter. i meant to say one of a higher stall.
Well lets look at it this way.... the L27 falls a little flat up top... But it has good low and midrange power/torque...

Being that you have the 3.06 Ratio you have an 1897 Stall from the factory.... I'd stick with the factory stall, if you go higher I wouldn't want to exceed 2000 with the L27... No real need to...

The cars with the 2.84 ratio actually have a 1450 stall..

The 2.97'* 3.06'* and the 3.33'* all use the 1897 stall

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