Cadillac Allante Pressure Test Radiator Cap at your home or office.

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Pressure Test Radiator Cap Service

How much does a Pressure Test Radiator Cap cost?

On average, the cost for a Cadillac Allante Pressure Test Radiator Cap is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1989 Cadillac AllanteV8-4.5LService typePressure Test Radiator CapEstimate$114.99Shop/Dealer Price$132.49 - $145.62
1993 Cadillac AllanteV8-4.6LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$112.52 - $125.67
1991 Cadillac AllanteV8-4.5LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$112.52 - $125.67
1988 Cadillac AllanteV8-4.1LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$112.48 - $125.60
1992 Cadillac AllanteV8-4.5LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$112.55 - $125.72
1990 Cadillac AllanteV8-4.5LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$112.52 - $125.67
1987 Cadillac AllanteV8-4.1LService typePressure Test Radiator CapEstimate$99.99Shop/Dealer Price$117.28 - $130.25
Show example Cadillac Allante Pressure Test Radiator Cap prices

What is the radiator cap pressure test all about?

In a pressurized cooling system like those found on all cars, your car’s radiator cap is calibrated to seal in coolant to a particular pressure point, then allow some vapor to escape once that threshold has been reached. The ejected fluid is piped into the overflow bottle you might have seen in the engine bay. Then, as the engine cools, the coolant level may drop inside radiator. When that happens, a reverse-flow valve in the radiator cap opens to allow fluid from the bottle to return to the radiator. A radiator cap that isn’t working properly may cause too much fluid to escape the system.

Keep in mind:

  • A radiator cap pressure test is quick and simple, and replacement radiator caps are inexpensive.
  • Leaving a defective radiator cap in place can cause damage to the engine.

How it's done:

  • The vehicle engine is cooled before the radiator cap can be removed
  • The radiator pressure is relieved and the cap is removed
  • The radiator cap is pressure tested to specifications
  • The radiator cap is replaced and/or reinstalled to the radiator
  • The vehicle is verified to confirm problem is fixed

Our recommendation:

If your car’s engine overheats, or the overflow bottle seems overly full, have the radiator (and radiator cap) pressure tested.

What are the common symptoms indicating you need to pressure test the radiator cap?

  • Car overheats
  • Car’s overflow bottle fills up

How important is this service?

Not having this safety valve on the car’s cooling system operate properly can over- or under-pressurize the system, leading to damage to hoses, the radiator, and even the car’s cylinder head.

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Meet some of our expert Cadillac mechanics

Real customer reviews from Cadillac owners like you.

Excellent Rating

(15)

Rating Summary
14
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1
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Ben

41 years of experience
1421 reviews
Ben
41 years of experience
Cadillac Allante V8-4.1L - Brake System Flush - Houston, Texas
On time and good job.

Peter

25 years of experience
523 reviews
Peter
25 years of experience
Cadillac Allante V8-4.6L - Check Engine Light is on - Los Angeles, California
Peter said during our initial conversation that he had worked on Northstar engines and based on the symptoms (stalling, hesitation at low RPMs), he concluded the problem was the EGR valve, and it may need to replaced. He suggested I order the part, which I did, but did not mention the accompanying gasket (which would also need to be replaced). The new EGR valve did improve the sound of the engine while idling, but the tachometer still doesn't register RPMs at low idle, and it still stalls. Thanks to the numerous attempts from my last stall, my battery is now dead. Although my gut and research says it is the Crank Position Sensor, $178 later (labor) I am back to square one, a car that won't crank.

Travis

13 years of experience
586 reviews
Travis
13 years of experience
Cadillac Allante V8-4.5L - Spark Plug Replacement - Minneapolis, Minnesota
TRAVIS WENT OVER THE TOP FOR !!!!!! YOU PEOPLE ARE VERY VERY LUCKY TO HAVE HIM, HE REALLY KNOWS HIS BUSINESS AND HE KNOWS HOW TO GET IT DONE, I WILL RECOMMED HIM TO MANY PEOPLE IN OUR CAR CLUB. THANKS AGAIN FOR A PERFECT JOB !!!!!!!!!!!!!

Jeremy

20 years of experience
603 reviews
Jeremy
20 years of experience
Cadillac Allante V8-4.6L - Pre-purchase Car Inspection - West Palm Beach, Florida
I asked Jeremy to inspect a car for me prior to purchasing it. I live in a different state so I really had to depend on Jeremy to give me as comprehensive a report as possible. He was absolutely wonderful to work with. I couldn't have gotten a better evaluation than the one Jeremy provided to me. Based on his evaluation, I ended up purchasing the car. Jeremy is terrific. He called me prior to inspecting the car and immediately after. This was in addition to his comprehensive report. I highly recommend Jeremy.

Excellent Rating

(15)

Rating Summary
14
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1
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14
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Number of Cadillac Allante services completed
165+
services done by our mechanics
TOTAL NUMBER OF EXPERT Cadillac MECHANICS
900+
experts on our platform

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