Chapter 06 · Symptoms

What is your transmission doing?

Five things I hear most on the phone. Click the one that sounds right and I will tell you what I would check first, what it usually costs, and whether you should drive it in or tow it.

Fig. 06.0 · Read the symptom

The problem usually tells me the fix.

Thirty years on transmissions – I can usually tell you over the phone what's wrong and what it costs. Call (352) 232-8364 with your year, make, model, and what it's doing. Diagnostic is free when you drop it off.

▸ Free diagnostic on drop-off · ▸ Honest quote before any work

Fig. 08 · Symptoms

Having any of these problems?

Click through. I've written up what each one usually means and what I'd check first.

Symptom 01

Transmission slipping →

RPMs climb but speed doesn't. Clutch pack usually.

Symptom 02

Fluid leak →

Red-pink puddle under the truck. Usually a seal.

Symptom 03

Won't shift →

Stuck in one gear. Solenoid body or valve body.

Symptom 04

Jerks or shudders →

Banging into gear. Worn TCC or mounts.

Symptom 05

Won't go into gear →

Engine revs, truck stays put. Do not drive. Tow it.

Not sure which one fits?

Call me. Describe what you're hearing. I'll tell you which symptom it lines up with and what to do next.