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A stainless steel Heli coil would be the repair needed.
The head is out on the bench and easy to tap and repair.
I have tapped and installed a helicoil in many VW engines while the head was still on the engine in the car.
Secret is to have the cyl near the top of the compresion stroke with the valves closed or the exhaust valve open to blow out the shavings with a air nozzle.
Found that Champion plugs were the worse for aluminum heads as they would fuse to the head and when trying to remove would strip the threads in the process. They had a poor heat range.
Found that NGK worked better then Bosch in VW engine since they had a wider heat range.
You take the COP (Coil On Plug) off, not the CAB (as in where the driver sits) off...
For some reason I thought you had to do that on the V-10s. Maybe I was just thinking of the horror stories with their diesels (like having to pull the cab off to replace a fuel pump).
Another tip when changing spark plugs with coil-on-plug:
replace the coil boots at the same time. A lot of times they're the cause of a misfire and not the plug itself. They run about $4.00 each, but may save a lot of headache later. And don't forget the di-electric grease.
For some reason I thought you had to do that on the V-10s. Maybe I was just thinking of the horror stories with their diesels (like having to pull the cab off to replace a fuel pump).
For some reason I thought you had to do that on the V-10s. Maybe I was just thinking of the horror stories with their diesels (like having to pull the cab off to replace a fuel pump).
you may be thinking of the 6.0L baby diesels that blow headgaskets left and right. a guy i know is a Ford diesel tech and he repairs these all day long. according to him, you don't HAVE to take the cab off, but it makes it a helluva lot easier.
I would like to know how hard it is to replace a cars sparkplugs. I drive a Chevy Prizm and recently had it in the shop for an oil change. While there the mechanic reviewed my maintenance schedule and said the car will be due for this soon. I asked how much they charge and he told me $170. I thought this sounded excessive and called around but all the quotes I got were in the same ballpark. The only stuff i have done in the past myself is changing the air filter, windshield wipers, flat tires. The car is a 2001. Any help would be appreciated.
$170 seems pretty high for 4 $5 each spark plugs. It's a 4-cylinder car. It's easy. Get your plug wrench, do the job yourself, save a bunch of money and feel good about it.
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