Skip the auto shop - Our mechanics make house calls

Q: Car needs a new coolant bypass tube

asked by on

I think that my car has a cracked coolant bypass tube. It has the GM 3800 Series II engine. Is that something that I could repair by myself?

A: Ah yes, the infamous 3.8L coolant elbows, l...

Ah yes, the infamous 3.8L coolant elbows, located on the tensioner. This is a very common problem, but I would still perform a cooling system pressure test to be certain that the elbows are leaking. This test pressurizes the cooling system to pinpoint the leak location. If, after performing this test, you determine the elbows are leaking, I would recommend having them replaced by a professional. This job involves removing the belt and tensioner to access the elbows. A professional mechanic will be able to find the source of the leak and make the necessary repair.

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

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: Leaking fluid AND sometimes won't start right away.

Hi there. Typically a 'coolant leak' and a hard starting problem is not related. However, coolant should be mixed at a ratio of 50 percent coolant and 50 percent distilled water. Adding water instead can thin the mix, crack the...

Q: Smoke is coming out of dipstick and where you put the oil in also the oil keep burning up in about four days and its starting to s

Hello. This suggests you have a couple of different problems that may be indirectly related. Smoke coming out of the dipstick to a certain degree is OK, however if this is excessive, this is not good and should be looked...

Q: Front right passenger side Shaking

If you have frame damage on the right side that did not get fixed or was hidden from you when you bought it, then your vehicle may not be repairable. I suggest having a body shop check the frame damage...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
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...