Rebuild, replace, or buy a new Suburban?

Asked by Dec 31, 2016 at 08:56 PM about the 2002 Chevrolet Suburban 1500 LT 4WD

Question type: Maintenance & Repair

We have a 2002 Suburban Z71 with 325,000 miles. Interior and exterior show
wear,  but we really love this vehicle! We have recently begun hearing a
pronounced knock on acceleration. (2000 rpms and above)  We are trying to
decide if we should rebuild the existing motor, replace it with a rebuilt (possibly
a Jasper) or just replace the whole vehicle. We would replace it with a similar
year, just fewer miles. Is it worth putting the cash into our current one?

6 Answers

24,575

Knock on acceleration is usually lifter/pushrod knock so if its been maintained otherwise I would pull the valve covers and see if they are loose or need adjusting or replaced. It could buy you some time while you look around for that low mileage suburban.

2 people found this helpful.
24,575

Check those push rods for any bends, pull them out a roll on flat surface if it wobbles replace it.

1 people found this helpful.
81,505

Rebuilding or replacing the engine is fine. Just remember that the rest of the vehicle is still 15 years old and has 325,000 miles on it. My '03 S- 10 Pick Up has 289,000 miles on it. It's a great little truck and I like it a lot!! But if the engine or transmission was to quit I'd either sell it as a parts truck or junk it. I wouldn't consider fixing it. There comes a time when it's best to move on. HTH. -Jim

1 people found this helpful.
120,555

A crate engine would be a good choice. I am not sure I would go with Jasper. I would be looking at Chevy factory crate motors if I planned on keeping this vehicle.

2 people found this helpful.
124,415

That kind of milage I would buy new...

1 people found this helpful.
68,005

I agree with F_O_R, look into getting a rebuilt engine from Chevrolet. Might cost a few more bucks, but should be worth it. You are aware that the transmission will likely be the next thing that fails along with the A/C system and the rear gears and axles aren't you? I wouldn't spend much on it if it were mine.

3 people found this helpful.

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