Skip the auto shop - Our mechanics make house calls

Q: Driving problem

asked by on

So I have maintained the truck with all its services like tune ups, oil changes, fluid changes etc. So recently I tried to pull something heavy with the truck but it could pull it, but I did give it a bit of tries before I gave up and stopped. The truck now has some problem while driving. It shifts very well through all four gears but once it gets to 4th gear which is like around 40 mph, the rpms drop and don't move from 1500. I have to press the accelerator almost half way for it to start accelerating but when I do that the truck kicks like if I ran over a small pothole and that's when it accelerates. I'm not getting any check engine codes or anything. Also I had a heater core hose bust and it covered the whole top of the engine and it got into one of my spark plugs but I changed them all out including all of my ignition coils because the coolant that had spilled ruined one of them so I decided to replace them all. I just wanted to know how to fix the kicking problem. Thanks

My car has 320000 miles.
My car has an automatic transmission.

Hi there. The transmission your vehicle has is a AODE. The overdrive band in the transmission has burned up and is not working causing the loss of power to the 4th gear when driving after pulling something heavy. I recommend seeking out a professional, such as one from Your Mechanic, to help you diagnose your transmission before replacing any parts.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Rough transition to overdrive at 55 to 60 mph.

Hi there. There could be a problem with the torque converter clutch staying on while the transmission is shifting into overdrive. This will cause the gear to grab hard and make a sudden jerk. Try manually shifting the transmission and...

Q: Small fluid leak in front after car is shut off and sits,temperature gauge rising.

You should have the cooling system pressure and leak checked to locate the leak in the cooling system and also check to see why your engine ran hotter than normal. This overheating inspection will locate the leak and then a...

Q: My A/C belt is leaking and I want to know if I have to recharge it.

Hi there. When a leak is found, they need to replace the damaged hose or connection and "RECHARGE" the system, so that the correct amount of pressure is maintained in the AC system. The price they quoted is about average...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...