1990 CHEVROLET CAMARO, THM700-R4/4L60/MD8

By: Gene McReynolds On: 08/22/08

10 comments

Vehicle

1990 CHEVROLET CAMARO, THM700-R4/4L60/MD8

Vehicle Information

100 K
5.0 L
-1
N/A
N/A
N/A

Problem Information

N/A
N/A
N/A
trans was R'd out at another shop then towed home then towed to our shop 1 month later to our shop to have trans built and installed
unable to drive

Problem

Original Customer Complaint:
car came to us with no transmission in it! customer stated wanted new trans installed.
Current Customer Complaint:
vehicle hasnt left shop. due to speedo reading 110 mph at approx 6 mph
Work Completed This Visit:
we supplied 2nd design 700r4 with aux vb new torque
Summary:
according to the parts book (transtar) there is only 1 drive gear (40 th) metal electronic pick up and only 1 speed sensor from 1982-1991 (mf date = 05/90)we have already replaced the speed buffer with a new buffer assy and with the brick on data mode the pcm is seeing the same mph as the dash is displaying. we have checked input wires on buffer back to speed sensor 0.01 resistance on both wires from the sensor to the buffer. once the speedo reaches 110 mph the car engine shuts down. with vss unplugged the trans functions normally when you drive the car....any ideas ???

Problem Fix

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Vehicle Data
1990 CHEVROLET CAMARO

Mileage 100 K
Engine 5.0 L
Trans N/A
Trans Type THM700-R4/4L60/MD8
Drive N/A
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