What causes a blown head gasket on a Nissan Frontier?
It has 144,000 miles and you just replaced the cats. FWIW, white exhaust vapor when cold is normal. I’d say you have a dead cylinder that probably contaminated the cats. Overheating and or cracked head due to lack of coolant or antifreeze.
Can a down cylinder cause a blown head gasket?
If the exhaust smells sweet like coolant that is another indicator. In any case you’re going to have to pull the heads like upflying said to find out what’s going on if you have a down cylinder, even if it was caused by something other than a blown head gasket. in my experience with these motors.
When to replace the valve seat on a Nissan QD32?
(Refer to SDS.) If valve or valve seat is damaged excessively, replace them. q If compression stays low in two cylinders that are next to each other: a. The cylinder head gasket may be leaking, or b. Both cylinders may have valve component damage. Inspect and repair as necessary.
How big is the gasket on a Nissan QD32?
(Use Genuine Liquid Gasket or equivalent.) q For oil pan, be sure liquid gasket diameter is 3.5 to 4.5 mm (0.138 to 0.177 in) for gasoline engines. q For areas except oil pan, be sure liquid gasket diam- eter is 2.0 to 3.0 mm (0.079 to 0.118 in) for gasoline engines and 2.5 to 3.5 mm (0.098 to 0.138 in) for diesel engines. c.
When to remove the head gasket on a Nissan?
The intake cam is at the most retarded position when the engine is off and has to be locked in the most advanced position for removal. Nissan uses an internal lock pin in the pulley that has to be released, so you can put the cam in the advanced position and lock it there.
How to tell if your head gasket is blown?
How to tell if your car’s head gasket is blown DIY with Scotty Kilmer. How to tell if your head gasket is leaking and needs repair. How to test engine head gasket by using this simple leak test kit. DIY car repair with Scotty Kilmer, an auto mechanic for the last 42 years. 1. Bluetooth Scan Tool: http://amzn.to/2nfvmaD 2.
Can a head gasket be replaced on a rebuilt car?
In most cases, it’s simply more efficient to replace a badly damaged engine with a rebuilt or recycled unit, getting the car out of the shop and back to the customer in a timely manner. Lately, the only engine work we seem to be doing is cylinder head gasket replacements.
How do you replace a head gasket on a Honda Accord?
Use new head bolts when replacing the head gaskets. Follow the correct torque sequences to tighten the cylinder head. Apply oil to the threads, and tighten all bolts using the same pattern as you used with removal to 29 foot-pounds of torque. Then tighten them to 58 foot-pounds of torque.