Need to do timing belt again, what else at same time

[clydesdale]

I will do the water pump, t-stat, and plugs, wires, cap and rotor. What else should I do at the same time? Thanks.

[reelizmpro]

tensioner

[SpecM]

tensioner

+11

[JrCamacho]

Yeah, don't forget to clean up around that area while your in there!

+1 on the tensioner. Im doing my t-belt, water-pump,t-stat&housing this tuesday.

[Goya20]

seals behind the cam gear sprocket

[davem]

Head over to Pelican Part's website. They have a "water pump kit" for the e30 that includes most of the stuff you need for a timing belt/water pump job. Even if you don't buy it it might remind you about a couple additional things.

[///M42 sport]

cam sprocket seals, might was well replace the water hoses your gonna take out. Also fan clutch?

Always order a extra 2-3 water pump gaskets. Those are always a bitch to install

the blue and brown sensors, thermostat, bleeding screw for coolant,

[llll1l1ll]

The coolant bleed screw is probably the most important.

[clydesdale]

coolant bleed screw really necessary? I don't remember ever changing that.

[jlevie]

coolant bleed screw really necessary? I don't remember ever changing that.

If the bleed screw is in good condition there is no reason to change it.

[funcrew]

fan clutch.

[txtorquemade]

belts, hoses, thermostat and housing if yours is crappy.

[browntown]

I know I regret not changing the head gasket when I had everything else taken off for the timing belt. If your car is over 150k and you plan on keeping the m20 long term it might be something to consider. Pull the head, get it checked for straightness at the machinist, and reinstall with new bolts and gasket. It should be good for another 10 years.

[blackhawkimpact]

^+1
I'm doing that right now. Changing water pump, timing belt, acc belts, tensioner, valve cover gasket, cam gaskets, valve adjustment, head gasket, spark plugs, and ignition wires.

[jlevie]

I know I regret not changing the head gasket when I had everything else taken off for the timing belt. If your car is over 150k and you plan on keeping the m20 long term it might be something to consider. Pull the head, get it checked for straightness at the machinist, and reinstall with new bolts and gasket. It should be good for another 10 years.

Unles there is a history of overheats, I see no reason to pull the head just to change the gasket. Now if the engine has 150k or more, pulling the head and having the valves ground and new seals installed is a good idea. I almost always find a little bit of warp in a used head and will have the shop surface the head to take it out.