Product Recommendations

Transmission parts, tools, and fluids — recommended by Dave

Chevy

6L80 Fluid: Why Dexron HP Changed Everything (And Most Shops Still Don't Know) (3 products)
8L90 Shift Adaptation: The Reset Your Shop Needs to Do After Every Fluid Service (3 products)
4T65E Wave Plate Failure: What to Tell the Impala or Malibu Owner Before It Drops (3 products)
TCC Shudder on 6L80/6L90: Diagnose It Right Before You Spend Any Money (3 products)
AFM/DOD and Transmission Stress: Why Lifter Failures Affect How Your Transmission Behaves (3 products)
Bench Stock for GM Shops: What to Keep on the Shelf if You Do Volume Chevy Work (3 products)
Silverado Towing and Trans Temp: How to Monitor and Protect the 6L80 Under Load (3 products)
P0751 and P0756 on 4WD Silverados: Sorting Transfer Case From Transmission Codes (3 products)
Common Scan Tool Mistakes on GM Transmissions: What Most Techs Miss (3 products)
Equinox CVT Issues: What to Tell Your Customer Before the Transmission Fails (3 products)

Chevy Silverado 1500

Welcome — The Silverado Transmission Failures Nobody Talks About (1 products)
The Fluid Spec Deep Dive — Why One Wrong Fill Can End a 4L60E (1 products)
3 Silverado Transmission Symptoms That Get Misdiagnosed Every Time (1 products)
Live Data PIDs — What to Watch on the 6L80E and 4L60E (1 products)
Solenoid and Valve Body Weak Spots — Where the 6L80E and 4L60E Break Down (1 products)
Rebuild vs. Reman vs. Used — Making the Right Call on a Silverado Transmission (1 products)
Bench Stock — What to Keep on the Shelf for Silverado Transmission Work (1 products)
Case Study: The 6L80E That Wasn't a Torque Converter (1 products)
The One Tool That Pays for Itself on the First Silverado Job (1 products)

Dodge

RAM 1500/2500 Owner: Your 68RFE Has a Known Weak Spot (3 products)
The ATF+4 Rule for Dodge/Chrysler Transmissions (No Exceptions) (3 products)
Hemi Owners: Why Your Transmission Shudders Under Load (3 products)
68RFE Slipping Fix: What to Check Before Spending $3,000 (3 products)
Jeep Cherokee/Grand Cherokee: The Transmission Codes You Should Know (3 products)
Spring Maintenance Checklist for RAM and Dodge Drivetrains (3 products)
The NAG1 (722.6) in Chrysler Products: What Owners Need to Know (3 products)
3 Dodge Transmission Symptoms That Scare Owners But Often Aren't Serious (3 products)
How to Read RAM Truck Transmission Live Data at Home (3 products)
Complete Dodge/RAM Transmission Maintenance Guide (3 products)

Ford

Your Ford Transmission Has One Weakness Most Owners Ignore (3 products)
The Mercon Fluid Mistake That Kills 6R80 Transmissions Early (3 products)
F-150 Owner? Read This Before Your Next Fluid Service (3 products)
6R80 Hard Shift Fix That Doesn't Involve a Rebuild (3 products)
The P0741 Code That's Costing Ford Owners $1,200 at the Wrong Shop (3 products)
Spring Maintenance Checklist for Your Ford F-150 or Mustang Transmission (3 products)
The 10R80 in Your New Ford: What You Need to Know Before 50,000 Miles (3 products)
TorqShift 6R140 Owners: This Is Your Most Neglected Maintenance Item (3 products)
Why Ford's "Lifetime" Transmission Fluid Is a Lie That Costs You $3,500 (3 products)
The $37 Tool That Every Ford Shop Owner Should Already Have (2 products)

Gm

Your Silverado's 6L80 Is Quietly Failing. Here's the Early Warning Sign. (3 products)
What the 8L90 in Your New GM Truck Is Telling You When It Shudders (3 products)
The 4L60E Rebuild Guide Nobody Gives You at the Parts Counter (3 products)
Spring ATF Service on Your GM: The Drain-and-Fill vs. Flush Debate (3 products)
P0894 on a GM: Why 80% of Shops Get This Wrong (3 products)
The Transmission Fluid That GM Stopped Making (And What Replaces It) (3 products)
How to Extend the Life of Your GM 4L80E Another 150,000 Miles (3 products)
Spring Detail + Transmission Check: Your Complete GM Truck Checklist (3 products)
GM Shop Owners: Your Dexron Inventory Is Your Margin (2 products)
The $14 Product That Quieted a 6L80 Silverado That Was Quoted at $2,400 (3 products)

Honda

Honda Transmission Rule #1: Never Use Anything But DW-1 (3 products)
That Shudder in Your Honda Accord? Here's What It Actually Is. (3 products)
Honda CVT Owners: This Maintenance Mistake Shortens Belt Life by Years (3 products)
Accord/CR-V Owner? Your Transmission Is Smarter Than You Think. (3 products)
The Honda DW-1 Fluid Debate: OEM Dealer vs. Amazon — the Truth (3 products)
How to Diagnose Honda Transmission Codes Without the Dealer (3 products)
Spring Maintenance for Your Honda Drivetrain (3 products)
3 Honda Transmission Symptoms That Are Always Fluid-Related (3 products)
Odyssey/Pilot Owner: Your Transmission Has a Known Weak Spot (3 products)
Complete Honda Transmission Maintenance Guide (3 products)

Jeep

Jeep Wrangler Jk Jl

Welcome — Wrangler Transmission Failures Across Three Very Different Units (1 products)
Fluid Specs Across Three Wrangler Transmissions — Including the ZF Spec That Catches Shops Off Guard (1 products)
3 Wrangler Transmission Symptoms That Routinely Get Misdiagnosed (1 products)
Live Data PIDs for the Wrangler 42RLE and 8HP75 (1 products)
Valve Body and Mechatronic Weak Spots — 42RLE and 8HP75 (1 products)
Rebuild vs. Reman vs. Used — The Decision Across Three Wrangler Transmissions (1 products)
Bench Stock for Wrangler Transmission Work — Three Units, One Organized List (1 products)
Case Study: 8HP75 Water Ingestion on a JL Rubicon — What the Data Showed Before the Pan Came Off (1 products)
The Tool That Pays for Itself on Wrangler Transmission Work (1 products)

Nissan

Nissan Frontier Pathfinder

Welcome — Two Very Different Nissan Transmissions and Where Each One Fails (1 products)
Fluid Specs for the RE5R05A and Nissan CVT — The Interval Nissan Doesn't Advertise (1 products)
3 Nissan Transmission Symptoms That Get Misdiagnosed — Including One That Goes to the Engine Shop (1 products)
Live Data PIDs for the RE5R05A and Nissan CVT — Confirming Diagnosis Before You Pull Anything (1 products)
Valve Body Weak Spots on the RE5R05A — And the CVT Step Motor Failure Pattern (1 products)
Rebuild vs. Reman vs. Used — The Nissan Decision, and Why the CVT Choice Is Almost Always Binary (1 products)
Bench Stock for Nissan Transmission Work — RE5R05A and CVT (1 products)
Case Study: The Pathfinder CVT That Had Already Been Through the Fuel System (1 products)
The Tool That Makes or Breaks Nissan CVT Diagnosis (1 products)

Ram

Ram 2500 3500

Welcome — The 68RFE Failure Patterns Every Heavy-Duty Shop Needs to Know (1 products)
68RFE Fluid Spec Deep Dive — The Service Interval Dodge Doesn't Advertise (1 products)
3 Misdiagnosed 68RFE Symptoms — Including the One That Gets Blamed on the Engine (1 products)
68RFE Live Data PIDs — What to Watch and What the Numbers Mean (1 products)
68RFE Solenoid and Valve Body Weak Spots — What Actually Fails and How to Fix It Right (1 products)
Rebuild vs. Reman vs. Used — The 68RFE Decision Tree (1 products)
Bench Stock for the 68RFE — What to Have on Hand Before the Diesel Pulls In (1 products)
Case Study: The Tuned Cummins That Three Shops Got Wrong (1 products)
The Tool That Pays for Itself on the First 68RFE Diesel Job (1 products)

Single Buyer

You fixed your transmission. But when did you last clean it out? (3 products)
Your car's interior is grosser than you think. Here's the fix. (3 products)
Spring is here. Your car should look as good as it runs. (3 products)
The $99 scan tool that keeps you from getting ripped off at the shop (3 products)
How to check if your transmission is dying (before it dies) (3 products)
3 things under your car that need attention this spring (3 products)
Your car vacuum is probably embarrassing. Here are 5 that aren't. (3 products)
The wax that made my daily driver look like a showroom car (3 products)
Jump starter that fits in your glovebox and starts a dead V8 (3 products)
Floor mats: The most ignored upgrade that matters every single day (3 products)

Spring Broadcast

Your car survived winter. It shouldn't look like it. (3 products)
The $18 vacuum that 248,000 people bought (and actually love) (3 products)
Rain is coming. Is your windshield ready? (3 products)
Spring detail bundle that costs less than a car wash shop (3 products)
The one product detailers won't tell you about (but use on every car) (3 products)

Subaru

Subaru Outback Forester

Toyota

Toyota WS Fluid: Why "Close Enough" Destroys the Transmission (3 products)
The Camry/Tacoma Cold-Shift Problem That Costs Owners $2,000+ (3 products)
Toyota Owner? Your Transmission Service Interval Is Probably Wrong. (3 products)
Tundra/4Runner Drivetrain Spring Maintenance Checklist (3 products)
The Shudder That Toyota Owners Report and Dealers Can't Find (3 products)
How to Diagnose Toyota Transmission Codes Without the Dealership (3 products)
Lexus ES/RX Owner: What Your Transmission Needs That Dealers Skip (3 products)
3 Toyota Transmission Symptoms That Always Come Back to Fluid (3 products)
Is the Toyota 8-Speed Actually Reliable? Here's What We See. (3 products)
Complete Toyota Transmission Maintenance Guide from Dave (3 products)

Vip Shop

The scan tool that replaced our $3,000 factory tool (3 products)
Shop owners: Your parts shelf is costing you money right now (2 products)
This is the jack setup our shop runs (and why we switched) (3 products)
3 fluid pumps. One problem. Here's what we use. (3 products)
248,632 Amazon reviews can't all be wrong about this $119 tool (3 products)
What your warranty claim needs that your repair order doesn't have (2 products)
Shop spring cleaning: The tools worth replacing right now (3 products)
The $14 fluid change that fixed what a shop quoted at $1,100 (3 products)
Fleet managers: Stop losing warranty claims. Here's why you lose them. (2 products)
This spring, your shop van could be your best sales tool (3 products)