Why does my Chevy Silverado have a coolant leak?

2017 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P) may display a Driver Information Center low coolant message or may show coolant consumption or a coolant leak. These conditions may be due to cooling system leaks or an improper coolant fill procedure.

What to do if your transmission coolant line leaks?

The trans cooler is on the opposite site. Slide the plastic ring back towards the cab of the truck. Loosen the transmission coolant line nut. Remove the small metal clip. Slide the nut off the line. Inside you’ll see a small o-ring remove o-ring replace with a new o-ring.

What can I do if my radiator is leaking coolant?

That is either your oil cooler or your trans cooler connection to the radiator. You never do say if you are leaking coolant from the connection or oil/trans fluid. If it’s oil or trans fluid leaking, try tightening the connection.

What kind of coolant does Chevy Silverado have?

I don’t know what to do. I have lost all respect for GM and their product. 2017 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P) may display a Driver Information Center low coolant message or may show coolant consumption or a coolant leak.

Is there a coolant leak on a Duramax Diesel?

Currently, since December 2010 another supplement to the EGR cooler pressure tester adapter set, EN-48974-20, was shipped essential to dealers to diagnose EGR cooler engine coolant leaks on all 2010-2011 Duramax™ 6.6L engines equipped with multiple cooler EGR system.

Can a gasket leak coolant on an engine?

.. the gasket can leak coolant onto the top of the engine where it will sit in there and evaporate with no leak detected on the garage floor or pavement under your truck… but you can smell it 4.8, 5.3, 6 liter engines have a dry intake…no coolant flows through them. Well, it could be the castech heads, but not sure you would smell the coolant.

Is there a water leak in my Sierra Silverado?

I have a 2015 sierra with same problem of all of floor soaked front and back. Checked everything for days before finding that both vents on back cab were leaking. Both were loose and the rubber seal was not keeping water out. Putting in new ones and applying sealer. Don’t ever want to have to deal with this again. 1 year later…

Why is the back window leaking on my Silverado?

Wet driver floor board is the shark fin leaking. Back window leaking is the third brake light or body seam. water eventually will work it’s way down to the lowest point in the cab (inner rocker panels) then sit and rot the truck from the inside out. by the time it’s rotted away they want you to sell it to the next guy and buy a new one.

Can a head gasket failure cause engine coolant loss?

The AERA Technical Committee offers the following information on engine coolant loss on 2002-2016 GM 6.6L Duramax diesel engines. It is important to note that not all instances of coolant loss on these engines is the result of head gasket failure.

Where is the coolant leak on my GMC Sierra?

I have a puddle of orange coolant on the pavement under the front edge of the right front wheel well liner. All summer I thought it was AC condensation. This fall, a pan on the ground caught coolant. It took 1/3 gallon to refill the reservoir to the cold full line.

What causes a coolant leak on a Duramax?

These conditions may be due to cooling system leaks or an improper coolant fill procedure. When diagnosing these conditions, be sure to complete the coolant system leak checks in the appropriate Service Information to verify there are no external leaks.

Is there a 5.3L coolant leak topic?

I know there are loads of 5.3LV8 discussions about coolant leaks and each one seems a little different. Here’s mine: 1. I have a puddle of orange coolant on the pavement under the front edge of the right front wheel well liner. All summer I thought it was AC condensation. This fall, a pan on the ground caught coolant.

Is the coolant level on my Silverado Sierra low?

A Low Coolant message may be displayed on the Driver Information Center of some 2017-2018 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P). An inspection of the radiator surge tank may appear to show a low coolant condition.

What are the most common problems with a GMC Sierra?

Another 258 people reported the second-biggest issue where heating and air conditioning temperature and air delivery mode door actuators may fail. If one or more delivery mode door actuators fail, the HVAC system may not produce correct temperatures or air delivery. The HVAC system stores fault codes, which help with diagnosis.

Where is the low coolant message on a Duramax?

During PDI, coolant should be added to fill the upper chamber of the radiator surge tank. (Fig. 6) A coolant level that is low enough to turn on the Low Coolant message will be below the horizontal line across the radiator surge tank. (Fig.

When did the GMC Sierra truck come out?

The GMC Sierra is the fifth-most popular truck in the United States, with more than 230,000 trucks sold in 2019. General Motors introduced the GMC Sierra and its twin, the Chevrolet Silverado, in 1998.

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