Where would coolant be leaking from at the rear of the engine, drivers side on a 98' suburban

Asked by Oct 17, 2007 at 07:23 PM about the 1998 Chevrolet Suburban C1500

Question type: Maintenance & Repair

Where would coolant be leaking from at the rear of the engine, drivers side on a 98' suburban

7 Answers

INTAKE GASKET ,THEY ARE MADE OF A HARD PLASTIC AND CRACK EASY,THIS IS COMMON ON THE 4.3 AND UP ENGINES,S 10 BLAZER SUBURBAN AND FULL SIZE TRUCKS.IT IS REALLY EAZY FIX.U CAN DO IT YOURSELF SAVE ABOUT 200 IN LABOR COST.PICK UP NEW GASKET AT LOOCAL AUTOZONE AND A TUBE OF BLACK SILICONE,WHEN REMOVED AND CLEANED SMERE A LITTLE SILICONE ON HEADS FOR A LITTLE EXTRA INSURANCE.DONT BE FOOLED AT WHAT U SEE UNDER HOOD IS REALLY EASY JOB. I HAVE REPLACED THEM AT 25OOO MILES.

40,335

Could also be a head gasket or freeze plug, I have seen the freeze plugs leak there also.

1 out of 1 people think this is helpful.

Most likely freeze plug or blown head gasket. What ever is more expensive and hard to replace. I own a shop and for the past year I have had about 22 of them come in that needed either the freeze plugs or the head gaskets replaced. All though I would definitely check your upper and lower intake manifold gaskets as well. If it is a intake leak, be careful not to crack the plastic upper intake manifold when removing or installing, they break for like no reason.

110

The possible leak points include hoses, the radiator, heater core, water pump,head gasket, freeze plugs, automatic transmission oil cooler, cylinder head and block.

1 out of 1 people think this is helpful.
525

those are notorious for intake gaskets. i do 3 to 4 a week

65

Ya i've also seen many intakes on the 90's small blocks go bad, easy enough fix tho

585

mine just had an intake gasket go in the same exact spot at 70,000 miles prob intake

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