DanDurusky wrote:
i cant find any evidence of leaks in the valley pan area, but i get some rough idling and the occasional fuel trim limit codes when its real cold out. pretty much points to an intake manifold leak which is also common w/ these motors. I have all the parts for this and the valley pan saved in a pelicanparts project list. about $350 to do all that including water pump, every hose, gasket etc.
FYI I just finished up the valley pan, intake manifold gaskets, and valve cover gaskets. Involved but not challenging. FYI the valve cover gaskets and the gaskets on the front and rear of the intake were definitely showing heat/age hardening but my actual intake manifold gaskets seemed to be fine. I replaced them with new of course. Here's my list for a 2000 MY car:
NECESSARY – For leaking valley pan – parts which are brittle or will be damaged during removal
Valley Pan
11141742042 - Valley Pan (~$60)
11141736106 - Valley Pan Cover (~$12)
Cooling system parts
11531710048 - O-Ring for cooling tube = x 2
11531710055 - O-Ring for cooling tube = x 2
11531731833 - Rear Manifold Accumulator seal = x 2 (~$3 each)
RECOMMENDED – These were aged but reuseable on mine, but don’t cut corners
Valley pan
13711741097 - Covering Cap, valley pan heat shield = x 4
Intake Manifold
11611433328 - Intake Gasket = x 4 (~$11 each)
11611729727 - Front Manifold Cover (~$3)
option A. 11617501563 - Rear manifold Cover (CVV) with seals (~$60)
option B. 11611729728 - Rear Manifold Cover seal (~$3)
Vent tube
option A. 11151705301 - Vent Pipe [Crankcase Ventilation] (~$30)
option B. 11151736140 - O-Ring, vent tube rear seal + 11151747978 - O-Ring, vent tube front seal
OPTIONAL – But recommended while torn down
Valve cover gaskets
11129071589 - Valve Cover Gasket, Cylinder 1-4
11129071590 - Valve Cover Gasket, Cylinder 5-8
11121733969 - Profile Gasket = x 2 [Gaskets around Spark Plug Cover]
11121437395 - Valve Cover Grommet Gasket = x 22
Spark Plugs
12129071003 – NGK BKR6EQUP = x 8 (~$7 ea)
Cooling system
XXXXXXXXX - Rear hose heater core to accumulator – depends on year, read pn and order
_________________
Mike Whitney
whit32@gmail.com, 919-454-5445
V10, V8, V8t, I6, I6, V6, F4t, I4, I4, I4, I4, I2, 1, 1
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