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Hudraulic Lifters 4.9L Engine Change


zuzzzi

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And one question again, is there anything in the Oilsystem, who hold a little Oil Pressure?

Not that I know of. Let us know what the oil pressure is immediately at start up, when the lifter noise stops and when its warm, all readings at idle.

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This could be a bad oil pick up too. Did the rebuilding shop look at the oil pump at all? Did they test the clearances within it? By the way where are you located?

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Marco,

I do not believe you have an oil pressure problem. How long have these lifters been in the engine? Maybe they have not gotten all the air out of them yet and just need to be worked in for a few miles.

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Marco,

I do not believe you have an oil pressure problem. How long have these lifters been in the engine? Maybe they have not gotten all the air out of them yet and just need to be worked in for a few miles.

Ranger I initially thought the same thing, but Marco stated this, "Engine run about 10.000 KM now", 10,000 kilometers is about 6,200 miles.

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quote name='Ranger' post='120858' date='Feb 15 2008, 02:34 AM']Oh, I forgot about that. Guess that answers my question.

Hello, yesterday I also spoke with my Mechanic´s, and he ask me about the Lifters, where I buy, how much is the Cost....... He have the same Problem in the past with a Chevy or a Buick he dont no at the Moment.

He bought also the same Lifters as I (very Cheap Lifters 9 $ per piece SEALED POWER Part # HT2148). After that he ask and look and ask Peoples erverywhere arround, and one of them told him, buy another "GOOD" Lifters like AC Delco HL106B. The price is 26 $ (in Austria they cost over 60 $ per piece). Ok, he bought this parts, installed them, and no more noise from the Lifters.

So guys, what do you think about that, I mean I buy these AC Delco Lifters and I hope I have no more noise from the Lifters!!!

I ´ll do that, and let you know..

One of your question, where I located, I live in Austria/Europe

And this is my Caddy

post-3198-1203054684_thumb.jpg

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That could easily be your problem. If you decide to change them and you determine that it would be cheaper for me to buy them here and ship them to you, let me know. Mike

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That could easily be your problem. If you decide to change them and you determine that it would be cheaper for me to buy them here and ship them to you, let me know. Mike

Hi Mike, you give me now the answerd, i wanted to be make.

I try to find the AC Delco, and the only store is by amazon, but they have only 10 available at the moment, so is it possible that you can Organize the Lifters for me, i can pay with PayPal or Visa?

I would br great, if is it possible Mike

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Marco, before we go to the extent of having me by them and ship them to you, which of course I will do if it is the best method. Check to see if www.gmotors.com will ship them to you directly. go to that site and get a quote and see if they will ship to you. In case of a wrong part number, dealing direct is the best route.

We can do it by Paypal, but keep in mind that PayPal charges a percentage for cash tranfers and it can get expensive. Lets get all of the details and figure out what is the best method. Send me a PM with your address details and I will get shipping for about 3 pounds to you.

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OK Mike, i have send a e-Mail on gmotors.com, i can´t call them, becaus I think my English is not enough for speak.

But in the past, i try to Order some parts from gmpartsdirect.com, but they don´t ship International, so i think it would be the same by gmotors, so we have a look...

Mike, thank you first for your efforts

Marco

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We can do it by Paypal, but keep in mind that PayPal charges a percentage for cash tranfers and it can get expensive

Boy is that the truth Mike. I found out the hard way. They charged me $10 to transfer $20 to Marika. In hind sight, I should have sent a check.

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We can do it by Paypal, but keep in mind that PayPal charges a percentage for cash tranfers and it can get expensive

Boy is that the truth Mike. I found out the hard way. They charged me $10 to transfer $20 to Marika. In hind sight, I should have sent a check.

Hi, i found Dealer who ship International, so he will send me Total cost include shipping to Austria, the Lifter is 36 USD each.

Marco

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Marco, send me a PM with your VIN number. I will get a quote from GMOTORS and see if I can get them cheaper, $36 each is crazy... Mike

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WOW, Ed, I just got a price of $30.18 each from gmotors, with shipping (to me) for 16 lifters the cost was near $500. These are roller lifters for the 4.9 you are talking about?

Marco, what was wrong with the old lifters? I have never replaced a lifter. I have always taken them apart and cleaned them up, do you still have them? Mike

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Hey Guys, please read the hole topic. The Problem are the "cheap" Lifters. I have rebuild the hole Engine, and bought the Lifters from rockauto "8 $", the AC Delco are the Lifters that buy Cadillac Dealers when they must repleaced them, and think with these Lifters I have no "noise Problem".

The problem is the Oil hole from the Lifters, thats the reason why my "cheap" Lifters are loose the Oil Pressure, the hole from the cheap Lifters are bigger as the hole from the AC Delco, and also the mechanic is a litte differnt.

Marco

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Marco, IF you decide to clean the old lifters keep in mind that the lifter parts are MATCHED parts, keep all parts together for EACH lifter, do not mix up parts.

There is really no reason to replace them unless the 'contact face' is dished, but you have rollers. Check the rollers for bearing problems and if that is OK I would disassemble them and clean them with solvent. DO NOT use any abrasives on the parts and NEVER use those sponges with the abrasive pad (what is that stuff called). Clean them up, they will be fine. Before you install them submerge them in oil and pump them where the push rod goes to prime them with oil and use assembly lube on the rollers, if the bearings are visible get some lube on them too.

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

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Marco, IF you decide to clean the old lifters keep in mind that the lifter parts are MATCHED parts, keep all parts together for EACH lifter, do not mix up parts.

There is really no reason to replace them unless the 'contact face' is dished, but you have rollers. Check the rollers for bearing problems and if that is OK I would disassemble them and clean them with solvent. DO NOT use any abrasives on the parts and NEVER use those sponges with the abrasive pad (what is that stuff called). Clean them up, they will be fine. Before you install then put them in oil and pump where the push rod goes to prime them and use assembly lube on the rollers.

I have not mixed the Parts. I got 16 Lifters from Rockauto, but they are (bullshi...) sorry, but it is.

The only thing i have not do at the first run, was to use assembly lube, but this not the reason why the Lifters loose the Oil Pressure, the reason is the "cheap" Lifters..... that is why i will buy the Lifters from AC Delco (the best Lifters for GM Cars)

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Marco, IF you decide to clean the old lifters keep in mind that the lifter parts are MATCHED parts, keep all parts together for EACH lifter, do not mix up parts.

There is really no reason to replace them unless the 'contact face' is dished, but you have rollers. Check the rollers for bearing problems and if that is OK I would disassemble them and clean them with solvent. DO NOT use any abrasives on the parts and NEVER use those sponges with the abrasive pad (what is that stuff called). Clean them up, they will be fine. Before you install then put them in oil and pump where the push rod goes to prime them and use assembly lube on the rollers.

I have not mixed the Parts. I got 16 Lifters from Rockauto, but they are (bullshi...) sorry, but it is.

The only thing i have not do at the first run, was to use assembly lube, but this not the reason why the Lifters loose the Oil Pressure, the reason is the "cheap" Lifters..... that is why i will buy the Lifters from AC Delco (the best Lifters for GM Cars)

Do you have the old lifters? When I say don't mix the parts i mean, when and IF you disassemble each lifter to clean it, don't mix each lifters parts up with the others.. I hope I am making myself clear. If you look at the lifter photo I posted early in this thread it shows the lifter body and plunger are MATCHED SETS..not to be mixed with other lifters.. see that photo.

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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DO NOT use any abrasives on the parts and NEVER use those sponges with the abrasive pad (what is that stuff called).

ScotchBrite.

That's it! Thanks, I kept thinkng ScotchGuard.. ScotchBrite.. I remember the guru was the first I ever heard of the danger of using it. It's in the FSM also..

Pre-1995 - DTC codes OBD1  >>

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