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Spark plugs don't want to unsvrew, 140K. I don't know how…

spark plugs don't want...

spark plugs don't want to unsvrew

Mechanic's Assistant: How many miles are on the car? When was the last time the plugs were changed?

140K. I don't know how long since I bought it used

Mechanic's Assistant: What is the model/year of your Toyota?

2007 RAV4 V6

Mechanic's Assistant: Are you fixing your RAV4 yourself? What have you tried so far?

I just put some penetrating oil on the front plugs and im letting them soak

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Customer reply replied 11 months ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call.
Customer reply replied 11 months ago
Let me know if you need more information, or send me the service offer(s) so we can proceed.
Answered in 9 minutes by:
9/10/2017
Eric
Eric, Automotive Repair Shop Manager
Category: Toyota
Satisfied Customers: 35,202
Experience: 20+ yrs. experience as repair shop manager and technician.
Verified

HI,

Ok, get a can of PB Blast and soak the spark plugs with it and let soak for an hour or so and then try to loosen them. It sounds like they may be original plugs and heat corroded between the threads.

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Customer reply replied 11 months ago
where can I get PB blast? I'm in toronto and canadian tire and PartsSource stores are open.
Customer reply replied 11 months ago
I see PB Blaster at home depot and Canadian Tire. Is that the stuff?

HI,

That is the stuff. Spray it in each spark plug hole until it puddles. It will seep down between the threads and break the corrosion up. It is 100x better the wd40

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Customer reply replied 11 months ago
I just got back from the store. Gonna spray them now.

HI,

Ok, sounds good and keep me posted

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Customer reply replied 11 months ago
While the plugs are soaking some questions have occurred to me. When the old plugs do come out, is it OK to let the PB Blaster flow down into the cylinders? I have compressed air so I can try to blow some of it out first. should I spin the engine with the starter before I put the new plugs in to make sure it doesn't hydrolock? Will that damage the electronics if I spin the starter without the coils and plugs hooked up?

HI,

There is no need to blow it out. It will seep past the piston rings and be absorbed and diluted by the engine oil and will not hurt or damage anything

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Customer reply replied 11 months ago
I'm try to loosen the front 3 plugs. Now they click a bit when I try to turn them which seems like an improvement. I have been working them back and forth but they are still really stiff after about 1/8 turn. Would it ne bettet to let them soak overnight?

HI,

With them still having that much resistance, soak them some more and let set over night

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Customer reply replied 11 months ago
Okay. I will back at it after dawn tomorrow.

HI,

Ok, sounds good. I will be here all day tomorrow starting at around 7am MST in case you need more help on this

Eric
Eric, Automotive Repair Shop Manager
Category: Toyota
Satisfied Customers: 35,202
Experience: 20+ yrs. experience as repair shop manager and technician.
Verified
Eric and 87 other Toyota Specialists are ready to help you
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Customer reply replied 11 months ago
It worked! They were still stubborn this morning, but by loosening half a turn and then tightening a quarter turn over and over I was able to get them out without damage to the threads. I think they probably were the original plugs. They looked pretty worn out. Everything went back together and it is running smoother now.
Customer reply replied 11 months ago
Thanks for your help because you gave me the confidence to continue. I nearly gave up cause I didn't want to break off the plug or strip the threads.

You are welcome and always happy to help out.

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