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Q: How long does it take to replace an intake gasket on a 3.4 engine?
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How long does it take to fix a intake manifold gasket?

It would be wise to replace the intake gasket with a new one than to try to fix the old one. How long it would take to replace the gasket would depend on the model, year and engine type you have.


How long does it take to replace a intake manifold gasket on a 350?

Depends entirely on the year and fuel system. You did not provide that info.


99 Chevy Silverado Coolant leaking into the oil?

That is a common problem with the vortec 350 engines. The intake manifold gasket starts leaking in the corners of it. That is where the water jackets are and it's only about 1/4 of an inch wide and when it starts leaking it allows engine coolant to leak into the lifter gallery and into the oil. Need to replace intake gasket as long as you no it did not freeze and crack the engine block.


How long does it take to replace a intake manifold gasket at a shop on a 92 Chevy k1500 truck with a 350 tbi motor?

About 2 hours.


How long can you wait to replace my head gasket?

The longer you wait the more damage will be done to the engine due to the coolant mixing with the oil.


How do you repair an engine with a blown head gasket?

The head or heads will have to be remove and inspected for cracks or warpage. You then replace the gasket and reinstall the head. Drain the oil and change the filter. Replace the thermostat and pour in fresh coolant. Unless you ran it hot or drove it for a long period of time in this condition you may be ok. If you just kept driving it then you will have damage to the rings and bearings an the engine may need an overhaul. Really depends on how long the engine was driven with a blown gasket.


If a head gasket blows in a 350 GMC then do you have to rebuild the motor?

As with any hed gasket problem as long as you get to the problem early enough as to not have any further major damage happen due to driving/running the vehicle too long after the head gasket blows I would say no to a complete engine rebiuld. Oil must be drained and new oil filter replaced, cylinder head must be sent out whiile you are at it send out the good head too and have the magnafluxed for cracks, have the engine to head surface checked for cracks as well, replace as needed, install cylinder head gasket and intake gasket set retorque and or replace head bolts as per manufacturers specs....happy motoring.


What engine will replace a 78 olds toronado engine?

When replaceing the toronado engine, The intake and carb must come from a toronado or Riviera because it is lower. The 78 came with a 403. A 307 or 455 Olds engine will work also as long as you put the low profile intake on


Why causes my car to overheat if you replace water pump and now your oil looks like a milky?

Either your head gasket is blown, or your intake gasket is blown. The reason your coolant looks milky is that there is oil in it from the gasket leak. These are pretty much the only places on your engine where oil and coolant can cross contaminate each other. Fix the problem sooner than later, it'll cost less in the long term.


How long should a head gasket last?

Normally it will last the life of the engine. However if the engine overheats the gasket can be ruined immediately.


Just replaced the intake manifold gaskets on a 91 Chevy Suburban and its blowing out white smoke Can you get white smoke from changing the intake gaskets incorrectly or is it another problem?

Yes it can leak water through the intake gasket into the runners in the head and smoke white, But the water ports and intake runners are a long way from each other because of the design. SO I would say that you have a cracked head are bad head gasket that is making it smoke. Did you get the engine hot are over heat it ? If so then you have a head gasket or head problem not an intake problem.


Could a cracked radiator make the water go into the oil line and make the oil look milky?

A cracked radiator will NOT put water in the engine and make the oil milky. A bad head gasket WILL put water in the engine and make the oil look milky. That does not neccessarily mean you have a bad engine. Have someone fix or replace the radiator and replace the head gasket. It could be a good engine for a long time yet