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post #1 of 10 (permalink) Old 03-07-2016, 03:32 PM Thread Starter
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CV Boot Repair

I need some guidance. My 2006 Nissan Quest is from up North, underside is full of rusted parts. I'm doing the whole front suspension rebuild. In trying to get the pinch bolt out from the knuckle to A frame, the bolt is seized and an impact will not back it off. I tried to heat up that whole area, impact won't rotate it and using a 3 LBS hammer isn't doing the job in the axial direction. While heating it, grease dripped down, great the boot got hot and made a hole.

My question is this, what type of repairs has anyone seen on boots?

Any advise is welcome, I'm off tomorrow, and can take off on Wednesday, I got some time. I also bought a new CV axle.

I'm thinking of rotating the hole TDC, use solvent to clean the boot and grease off, buying a bicycle repair kit, installing it over the hole, and then doing another patch over the first patch.

Any advise is appreciated towards this repair.









Thanks for any input.

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post #2 of 10 (permalink) Old 03-07-2016, 03:48 PM
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They make the split boots to repair cracks like that, but IMO they suck.

You can get a replacement boot, but you have to remove the CV shaft and partially disassemble it.

IMO, if you go that far, replace the CV shaft..."while your there"

A bike patch would probably last about 2 minutes.
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post #3 of 10 (permalink) Old 03-07-2016, 04:23 PM
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silicone is a possibility. clean it real well, a little roughening to remove shine, smear it around with a good blob over the opening. shouldn't be too bad wearing being the last bellows fold.
but, if you have a new axle, well.
you know.
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post #4 of 10 (permalink) Old 03-07-2016, 05:04 PM Thread Starter
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EVERY bolt on this front end is rusted to shit. Even the 10mm bolt for the ABS senor broke off and the body is in the knuckle. I got the ABS sensor out carefully.

I'm thinking of a repair. Like hrmwrm said, I'll clean the heck out of that area, rough sand the boot, use a new bicycle tire as a patch (cut to size), use rubber cement as glue, and might do another patch over that.
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post #5 of 10 (permalink) Old 03-07-2016, 05:19 PM
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Quote:
Originally Posted by Scooter-Man View Post
I need some guidance. My 2006 Nissan Quest is from up North, underside is full of rusted parts. I'm doing the whole front suspension rebuild. In trying to get the pinch bolt out from the knuckle to A frame, the bolt is seized and an impact will not back it off. I tried to heat up that whole area, impact won't rotate it and using a 3 LBS hammer isn't doing the job in the axial direction.
Just a thought: Is it possible that this pinch bolt is serrated? I'd see if I could get my eyes on a replacement part to double check. Have you tried to gently tap the bolt out from the threaded end? [I usually thread the nut on to protect the thread in case of a missed stroke.]

Good luck.

P.S. If your current luck keeps going, you might end up with all new parts on your car!
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post #6 of 10 (permalink) Old 03-07-2016, 06:24 PM Thread Starter
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Nope - not serrated. Some guy did a real good YouTube vid on this replacement.

I used a air hammer chisel (with a nut on the end of that bolt), 3 LBS hammer, impact on the bolt head, etc. NOTHING.

To remove the half shaft, the axle nut needs to come off, just broke my 1/2" breaker bar that I've had for 25+ years. That was after heating the nut up.

Gonna be a long job and a few broken tools.

How does Hank work on these salt fested cars?
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post #7 of 10 (permalink) Old 03-07-2016, 06:40 PM
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How does Hank work on these salt fested cars?
when you need heat, it has to be oxy-acet or you'll never get enough heat to burn out the rust.
i have yet to have an axle nut not come off with my 1/2 impact or 3' breaker. mine aren't harbor freight tools either. (not saying anybodies elses are, just pointing out proffessional tools can save headaches)
worst trouble ones i found are the ram fronts. they have a washer that the nut likes to embed a bit into.
i've had axles not come out of hubs though. but it's rare.

(i'm not hank either, just making commentary)
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post #8 of 10 (permalink) Old 03-07-2016, 06:56 PM Thread Starter
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All I have is that small propane torch, that's all.

That 1/2" breaker bar has been my main "breaker" for 20+ years. Sad to see him go. Hell, bent a long 3/4" pipe before it let go tonight.

I'm getting the IR 1/2" impact from work tomorrow, we'll see what that does. BP blaster all night.

Wait, this is a boot repair thread - and a headache at the same time.




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post #9 of 10 (permalink) Old 03-07-2016, 08:33 PM
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as Dan says, replace the axle, or, if you are feeling tipsy,, replace the boot, as not much sticks to Neoprene , and hey,, even down here Nissans rust
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post #10 of 10 (permalink) Old 03-09-2016, 09:17 AM Thread Starter
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The last post by DrDodge made complete sense, "nothing sticks to Neoprene".

No quick fixes here, the CV axle was replaced due to the hole in the boot.

This thread is closed.
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