Transmission Shops: Installation
Wiggle the Wires

Acouple of months ago we had a customer come into our location with a 2006 Kia Spectra equipped with the 2.0L engine and an A4CF2 transmission. The customer’s concern was that the vehicle would not shift at times. I started the evaluation by checking all the fluids, doing a visual inspection, and conducting a battery and charging system test with the Midtronics analyzer, and everything checked out good. I then moved on to connecting the scan tool to the vehicle and checking all modules for DTCs; the only one that came back was a P0748 (linear solenoid) electrical problem. There was no freeze frame data stored; it probably wouldn’t have helped me with this issue, but I wanted to see if it would at least show the speed or temperature at which the code set. From the customer’s description it sounded like an intermittent issue.

That’s a New One

R&R Tech
Dana Deeke reviews a Trailblazer with a leaky transmission.

A Transmission Problem, Or Something Else?

The subject of this article is a 2007 Nissan Maxima that was brought to us from a shop that we do a lot of work with. They had initially called and wanted to see if we could point them in a direction on what to look at. The shop had stated the vehicle had code P0868 (secondary pressure down), but after the code was cleared, it had not returned yet the car was still acting up.

Expect the Unexpected

A 2011 Chevrolet HD2500 6.6L equipped with a LCT1000 transmission came into the shop with a customer concern of no reverse and the indicator under the “R” is flashing.

Can of Worms (Buchse der Pandora)

A 1998 Volkswagen Jetta with a 2.0-liter engine and 01M transmission came in with a complaint of not shifting into fourth gear. The owner had just bought the car, which had the problem when he bought it, and he said it would shift normally up to third gear.

Needless to say, the history of repairs is minimal at best. What we do know is that the owner took the vehicle to a nearby transmission shop, which pulled trouble codes. DTCs for shift solenoids 6 & 4 (N93 & N91, respectively) were present, so they replaced solenoids 6 & 4 and the internal harness. The trouble codes returned immediately. That shop didn’t know what to do from there, so they referred the vehicle owner to our shop.

Picking Up Bad Vibrations

Quite a lot has been written and many technical classes have been put on regarding the General Motors 8L45/8L90 family of transmissions. We are now seeing opportunities to put that information to use.

Shaking Loose

One of our retail locations had a 2015 Ram Promaster show up on the back of a tow truck a few weeks ago, and this truck is a service vehicle for a local grocery store. The driver said he was traveling at about 40MPH when he felt like he ran over a boulder in the road, heard loud noises, and the truck stopped moving.

Spiking Speedometer

A customer showed up at our shop with a 2008 Chevrolet Impala SS that was equipped with the 5.3 LS engine and a 4T65E transmission. The customer had a complaint of an erratic speedometer while driving. I began by collecting all the vehicle information for a check out sheet, such as VIN, mileage, engine and transmission type.

Transmission With a Mind of its Own

A customer had brought in her 2010 Ford Escape equipped with a 3.0L engine and the 6F35 transaxle. The customers concern with the vehicle was that the transmission slipped intermittently. We started our evaluation with a quick visual inspection of the vehicle and checking fluids, all of which checked out good.

Two Unique Situations, Two Happy Customers

All of our initial diagnostic evaluations include a battery and charging system test. I’ll bet you can guess the outcome of this one; the battery failed, but the alternator had passed. At this point we informed the customer that some electrical testing was going to be necessary in order for us to find out what was causing the problem. The customer agreed to that and we then proceeded with the job.

PT Cruiser Trouble Code Fixed with New Part

A customer brought her 2006 Chrysler PT Cruiser to our shop with a complaint of random high engine revs. She stated that restarting the engine resets the vehicle and it works again temporarily, and this had been going on for about four months. The vehicle had a 2.4-liter turbocharged engine with a 604 transmission.

Don’t Assume; Be Systematic with Diagnosis

Like many of you, this time of year I am usually asked to assemble a variety of items and gifts for my family members. In light of these requests, I have spent a significant amount of time analyzing why we waste so much time assembling, disassembling and re-assembling items out of an unwillingness to simply read the instructions. Often this process results in leftover spare parts and frustration.