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Ticking sound (oil lifter)

Tiny
LLOYD O'CONNELL
  • MEMBER
  • 2002 CADILLAC DEVILLE
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 159,145 MILES
Is it bad to drive with a bad oil lifter? If so, exactly what damage could come from drive with it? Also how much does it cost to have one replaced?
Wednesday, October 31st, 2018 AT 8:47 AM

11 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

A collapsed lifter will cause damage over time if it is not repaired.

The one needs to be identified before saying just one can be replaced. It is recommended to replace all at the same time.

The lifters are about 18 each.

The labor is 4 hours per side.

Roy
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Wednesday, October 31st, 2018 AT 8:55 AM
Tiny
LLOYD O'CONNELL
  • MEMBER
  • 8 POSTS
How much would a shop charge to have them all replaced? Can the push rods and rocker arms be damaged from it? I ask this because it has gotten louder.
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Wednesday, October 31st, 2018 AT 12:19 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
That can only be verified when they take it apart.

It would run about $600.00 for each side and you have two sides.

$1,200.00 would be a rough estimate.

Roy
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Wednesday, October 31st, 2018 AT 12:32 PM
Tiny
LLOYD O'CONNELL
  • MEMBER
  • 8 POSTS
I now have another issue. My car was run with high rpm's for a week or so and now its running with very low ones to where it barely runs. Could you tell what may have happened and why?
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Thursday, November 22nd, 2018 AT 10:40 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You may damage the lifters. You should never run at high rpm at all. The engines are not made to withstand that abuse.

Roy
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Thursday, November 22nd, 2018 AT 11:46 AM
Tiny
LLOYD O'CONNELL
  • MEMBER
  • 8 POSTS
What should I look into or do next? I want to get it running rite but do not want it to nickel and dime me.
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Thursday, November 22nd, 2018 AT 12:06 PM
Tiny
ASEMASTER6371
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You need to have a shop check it for you to determine the exact failure. Then they can give you an estimate of repair.

Let me know what they say and we can continue.

Roy
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Thursday, November 22nd, 2018 AT 1:10 PM
Tiny
LLOYD O'CONNELL
  • MEMBER
  • 8 POSTS
I took it to a repair shop and they said it was the idle air control valve. They replaced it and now it runs perfect.
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Wednesday, December 12th, 2018 AT 8:15 AM
Tiny
ASEMASTER6371
  • MECHANIC
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Good, glad to hear it.

Is the noise still there?

Roy
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Wednesday, December 12th, 2018 AT 8:20 AM
Tiny
LLOYD O'CONNELL
  • MEMBER
  • 8 POSTS
Yes. I am positive its the lifters. I should of done it when a friend and I did the valve covers since it would of been accessible to us.
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Thursday, December 13th, 2018 AT 10:27 AM
Tiny
ASEMASTER6371
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Okay, since the noise is still there, I would definitely replace the lifters. Driving it with the noise could damage the camshaft lobes.

Roy
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Thursday, December 13th, 2018 AT 10:31 AM

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