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Started By
Message
Truck has bad tapping noise/ dealership will fix for 4K
Posted on 11/11/14 at 3:06 pm
Posted on 11/11/14 at 3:06 pm
So a buddy of mine has a 2007 GMC Z71 with 160K+ miles on it ( 5.3 v8 ). It has developed a loud tapping noise under the valve cover. sounds like the valves/lifters needs to be re-gapped. but maybe a little louder than that. Maybe something came a loose. There is no rattling noise, and it sounds as if it is only on one cylinder.
So he brings it to the dealership to get a quote to fix, they charge 1100 to tear it down/ just to look at it. then tell him it will be a complete motor tear down to the crankshaft. parts needed include:
intake gasket
rocker arm cover gasket
exhaust gasket
water pump gasket??
cam shaft gasket
camshaft bolts
crankshaft bolts
a/c belt ? "i guess they cut them off now....
head gasket
head bolts
ALL lifters??
lifter guides
cam shaft
oil and filter
2 gallons of coolent
20 hours labor
So i told him you could pretty much drop a new core in that truck for that price......
and they are changing out parts that dont need to be.
it really doesnt sound 4k bad, he is still driving it to work.
what does the OB say? Could this really need a complete tear down, or is this BS.
So he brings it to the dealership to get a quote to fix, they charge 1100 to tear it down/ just to look at it. then tell him it will be a complete motor tear down to the crankshaft. parts needed include:
intake gasket
rocker arm cover gasket
exhaust gasket
water pump gasket??
cam shaft gasket
camshaft bolts
crankshaft bolts
a/c belt ? "i guess they cut them off now....
head gasket
head bolts
ALL lifters??
lifter guides
cam shaft
oil and filter
2 gallons of coolent
20 hours labor
So i told him you could pretty much drop a new core in that truck for that price......
and they are changing out parts that dont need to be.
it really doesnt sound 4k bad, he is still driving it to work.
what does the OB say? Could this really need a complete tear down, or is this BS.
11
Posted on 11/11/14 at 3:15 pm to Elusiveporpi
Sounds like a rocker arm that needs tightening.
Posted on 11/11/14 at 3:19 pm to Elusiveporpi
yo uneed to do the LS1 mod.
And i'm being serious.Where are you located?
And i'm being serious.Where are you located?
Posted on 11/11/14 at 3:19 pm to Elusiveporpi
In my hot rod days this would be a bent valve or more than likely a stuck hydraulic lifter. . All you do is loosen the valve guide and take the push rod out and drop in a new lifter. I don't know, get another opinion from a private shop not a dealer.
Posted on 11/11/14 at 3:20 pm to Shexter
quote:wrong. It's the frickin AFM lifter assembly that has failed
Sounds like a rocker arm that needs tightening.
Posted on 11/11/14 at 3:20 pm to BIG Texan
quote:wrong wrong wrong wrong wrong. God you guys are killing me.
In my hot rod days this would be a bent valve or more than likely a stuck hydraulic lifter. . All you do is loosen the valve guide and take the push rod out and drop in a new lifter. I don't know, get another opinion from a private shop not a dealer.
Posted on 11/11/14 at 3:22 pm to Elusiveporpi
AFM problems. Probably gonna need a rebuild
Eta: MJ2 got it first
Eta: MJ2 got it first
This post was edited on 11/11/14 at 3:24 pm
Posted on 11/11/14 at 3:23 pm to Hammertime
Posted on 11/11/14 at 3:24 pm to Elusiveporpi
bro. where do you live?
Posted on 11/11/14 at 3:32 pm to meauxjeaux2
quote:
yo uneed to do the LS1 mod.
And i'm being serious.Where are you located?
meauxjeaux is right. the lifters are your culprit. If there is no damage to the heads, pistons, or valves it is a 1500.00 fix most of the time. Plus you can choose which cam you want and pick up some good power to boot.
Posted on 11/11/14 at 3:32 pm to Elusiveporpi
Same thing happened recently in my '06 Suburban.
A replaced a rocker arm and used premium gas - no more tapping sounds.
A replaced a rocker arm and used premium gas - no more tapping sounds.
Posted on 11/11/14 at 3:33 pm to meauxjeaux2
if you're able to get it to Walker cal Ed. (225) 664-2698
Best there is at Chevy motors and the LS lifter swap on the 5.3 vortecs
Best there is at Chevy motors and the LS lifter swap on the 5.3 vortecs
Posted on 11/11/14 at 3:34 pm to meauxjeaux2
quote:
bro. where do you live?
GONZALES
Posted on 11/11/14 at 3:35 pm to LeMarteau
quote:not the same motor. No AFM lifters
Same thing happened recently in my '06 Suburban.
A replaced a rocker arm and used premium gas - no more tapping sounds.
Posted on 11/11/14 at 3:35 pm to Elusiveporpi
Ed is the best there is.He won't bullshite you either if you don't need the swap. $4000 is insane.
Posted on 11/11/14 at 3:37 pm to biohzrd
quote:yep. Popular swap is replace with LS lifters,put in a Z06 cam. If headers are put in as well 100 hp gains are not uncommon after a tune.
the lifters are your culprit. If there is no damage to the heads, pistons, or valves it is a 1500.00 fix most of the time. Plus you can choose which cam you want and pick up some good power to boot.
Posted on 11/11/14 at 3:46 pm to meauxjeaux2
Ill have to give him a call, and the Hp increase wouldnt hurt either. Thanks for all the help
Posted on 11/11/14 at 3:46 pm to meauxjeaux2
quote:
Sounds like a rocker arm that needs tightening.wrong. It's the frickin AFM lifter assembly that has failed
sorry, not a Chevy guy.....
Posted on 11/11/14 at 3:51 pm to meauxjeaux2
You got a guy that does good work on landrovers in the BR area?
Posted on 11/11/14 at 3:53 pm to Walt OReilly
Not really. I usually fix my own. That place on a Hooper rd. Fixes commercial mowers
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