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Transmission Services: External Diagnostic Service

The AAMCO External Diagnostic Service is the best transmission checkup available anywhere. Our certified technicians can get to the bottom of any transmission problem. With today’s more complex, computer-controlled transmissions, it takes a real expert to be able to diagnose a transmission problem correctly. Getting that diagnosis right can save you a lot of money.

The AAMCO External Diagnostic Service is a systematic and comprehensive external evaluation of the overall performance and condition of your transmission.

	A trained technician will check the level and condition of your transmission fluid:
		A low fluid level may indicate a leak
		Contaminated fluid has water or particles in the fluid.
		Burnt fluid indicates damage from overheating.
		Varnished fluid has been overheated repeatedly.
		Normal fluid is reddish-brown and translucent, depending on transmission type, with
		no particular odor.
		The technician will also check the level and condition of transfer case and differential
		fluid, where applicable.
	The technician takes your car on a road test, to experience first-hand any problems you have
	noticed, and to evaluate your car's performance.
	Your vehicle will be placed on a lift to inspect the controls under the vehicle for any possible
	cause of the problem external to the transmission.
	Finally, the technician will scan the computer for trouble codes*.

From these tests, the expert transmission technicians at AAMCO of Upland can determine what type of problem you might have, and make a recommendation for whatever service is necessary.

That comprehensive approach to diagnosing the source of the problem is what sets AAMCO apart. For a coupon for a free AAMCO External Diagnostic Service and other offers, click here.

* Initial electronic scan is free of charge. Additional computer diagnostic charges are likely to apply.

Transmission Services: Computer Diagnostic Service

Sometimes something goes wrong in the computer system of today's highly technical, computer-controlled vehicles that can result in your transmission receiving the wrong signals. The AAMCO Computer Diagnostic Service is performed to determine if an electronic component is affecting your transmission's shifting or overall performance.

The AAMCO Computer Diagnostic Service includes:

	Using a computer system scanner to retrieve any trouble codes and to determine the probable
	cause. All critical computer systems in the vehicle are checked for trouble codes, because a
	variety of systems could cause driveability issues.
	Reviewing the computer system data against AAMCO Code Books, the most extensive
	transmission computer diagnostic source available anywhere.
	Connecting the AAMCO Kwiktest™ PlusBox to see whether the problem is inside or outside of
	the transmission in the computer system.

A certified AAMCO center technician will also:
	Check the electronic components
	Check the solenoids and sensors
	Check the wiring that effects the transmission, solenoids and sensors
The certified technician can then determine if an electronic component or part needs to be replaced, and make a recommendation for whatever service is necessary. That comprehensive approach to diagnosing the source of the problem is what sets AAMCO apart, so that you and your car, truck or SUV can be back on the road as soon as possible.

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