Is it better to replace the head gasket or the whole engine?

Tiny
LONEWOLF1220
  • MEMBER
  • 2006 HYUNDAI ELANTRA
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I have the car listed above that the head gasket blew on it. I have parts coming to replace the head gasket, but I was told it wouldn't be worth it to save it. I have another engine sitting in my shop in unknown condition and I'm wondering which route would be best. I have a child on the way and need a good fuel friendly vehicle but don't have the finances to get a new car.
Saturday, June 10th, 2023 AT 1:21 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,840 POSTS
Replacing a blown head gasket can be a significant repair, and whether it's worth it or not depends on various factors such as the overall condition of the vehicle, mileage, maintenance history, and your personal financial situation. Here are a few things to consider when deciding between repairing your 2006 Hyundai Elantra or swapping the engine with the one in your shop:

Condition of the Current Engine: If the blown head gasket is the only major issue with your current engine, and it has been well-maintained, it may be worth repairing. However, if there are other underlying issues or the engine has significant wear and tear, replacing it with the engine from your shop could be a better option.

Condition of the Spare Engine: If the engine in your shop is in good condition or can be rebuilt at a reasonable cost, it may be a viable option. However, if its condition is unknown or requires extensive repairs, it might not be worth the time and effort.

Cost of Repairs: Compare the cost of repairing the blown head gasket in your current engine with the potential cost of swapping the engine. Consider the labor involved in both scenarios, as well as the cost of any additional parts or repairs required during the engine replacement.

Long-Term Plans: Consider your long-term plans for the vehicle. If you plan to keep it for several more years and believe it will serve your needs well, investing in repairs or an engine replacement might be a reasonable choice. However, if you're considering replacing the vehicle in the near future, it might be more cost-effective to explore other options.
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Saturday, June 10th, 2023 AT 3:16 PM
Tiny
LONEWOLF1220
  • MEMBER
  • 2 POSTS
Well, the current engine has almost 200,000 miles on it. It doesn't appear to have any issues that I can think of. It drove great until it overheated, and the head gasket went spewing coolant and oil out the back against the firewall and on the transmission. Before then though the only issue I could tell it had was it needed new struts all the way around.
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Saturday, June 10th, 2023 AT 3:20 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,840 POSTS
Okay, let us know what you decide to do or if you need help with the repairs.
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Sunday, June 11th, 2023 AT 12:11 PM

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