Mechanics

CHEV OVERHEATS

1999 Chevrolet Suburban • 140,000 miles

Mileage is in km
The vehicle was imported into Namibia by the namibian government.
all documentation states that it is a 1997 model, but according to the vin number (3GNGK16F7XG253498) I'm told it is a 1999 model?
I have recently had the the turbo replaced, black smoke out exhaust is much better, but vehicle overheats when towing or going uphill - basically, whenever vehicle is placed under strain.
PLEASE HELP!

Will make donation if answer helps. I promise.
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Djdreece
April 9, 2012.



Black smoke indicates too rich of mixture-The transmission could be slipping have it checked out-let me know

Rasmataz
Apr 9, 2012.
Thnks for speedy reply, black smoke is fine since turbo replaced.
My major problem is the overheating. What should I be looking for?
It's as if the vehicle has more power on somedays and out of the blue it will feel sluggish?

Tiny
Djdreece
Apr 9, 2012.
Is the check engine light coming On? Also might want to check the exhaust for restriction and also the fuel pressure

Rasmataz
Apr 9, 2012.
One thing I have not mentioned is that I have a diesel automatic model.
Engine light comes on sometimes. Then goes off by itself.
I am having injectors replaced with marine grade injectors in the next 2 weeks.
Sometimes the car feels sluggish, and other times not. Basically, the hotter it gets, the more sluggish it becomes.
Is it time for a compression test?

Tiny
Djdreece
Apr 16, 2012.