spmbass

anyone have a link for where the valves r suppose to be bad tapping gonna try to adjust them myself

YNVDIZW124

What type of gas do you run and what weight of oil? When my car was running lean i would hear it knock a little.

spmbass

almost posative it needs to be adjusted my mechanic said the same when he did my shocks but anyway i only use castrol high mileage 10w-30 every 2500 miles and premium 91 i believe matter of fact she has never tasted anything less than premium since its been in my possesion normally sunco sometimes wawa whatevers cheaper, but its not alittle tick tick its like a TICK TICK n been doing 4 a while

YNVDIZW124

ohh, mine knocks when i use 89 or if i run to lean... try 20w-50

ps2cho

I would check that the ignition retard resistor has not been removed!

RBYCC

The M103-12V has hydraulic lifters with an automatic valve lash adjustment.
There is no manual adjustment.
If the tapping is truly a valve train noise then either a stuck, dirty or collapsed lifter.
You can use a product such as Marvel Mystery Oil or anything that will unstick and clean lifters.

spmbass

get the hell out of here so if its collapsed im beat 4 a motor

shdoug

Not a motor, just a lifter. Cheap- easy fix.

spmbass

you have to take of the head right??

spmbass

i bought some of that valve cleaning crap from advance and it didnt do anything it sounds pretty serious i didnt think i was gonna get off the hook that easy how much is it for a mb dealership to do that job

Untertürkheim

Try using synthetic oil like Mobil 1 0w-40. It may quiet down the lifters over time, not to mention preserving the engine. And you can change the oil half as much as you currently do.

spmbass

like i said its a pretty serious deal all u hear is tick tick tick tick n its LOUD im 99% sure that its shot, i think im even losein hp when i stomp on it she doesnt wanna go like she use to kinda hesitates.


anyway how much $$$ am i lookin at anyone know??

RHW

I just went full boat on my white Sportline. It cost too much, but so do new cars. I did not need to go this far...and I am sure this can all be done cheaper but here's what I was charged:

Remove and install cylinder head, replace gasket $1142

Complete disassemble and clean cylinder head. Reseat valves, Replace valve guide seals. Resurface cylinder head, pressure test $462

Perform complete timing chain service: replace timing and oil pump chains. Replace all tensioners and sliding rails, Replace front crankshaft seal. R&I oil pan, raise engine. $839

Saijin_Naib

Hows it run now?

RHW

With a refreshed m103 and that suspension, she's quite a pleasure to drive. Well worth the $ imo.

My favorite of the bunch.

shdoug

No, you shouldn't have to pull the head. Just take off the valve cover and replace the bad lifter. Then again, no offense but you don't sound too confident so I would take it to a mechanic you trust.

spmbass

my pops is a mechanic i know a thing or two but when it comes to these cars everything is different from americans cars i just replaced the passenger seat switch and it blows me away that there was about twenty five wires i had to slice for 3 controls