rjparker's Recent Activity
-
rjparker replied to the thread Probable head gasket.
You need to fix it quick. Overheating will warp the head making a gasket repair fail and too much coolant in the cylinders can bend...
Jan 15, 2026 at 12:49 AM -
rjparker replied to the thread Gurgling exhaust noise.
Just watch the coolant reservoir very carefully every day for a couple of weeks. Smelling exhaust on a cold start is normal...
Jan 15, 2026 at 12:35 AM -
rjparker replied to the thread Possible Head Gasket or EGR Concerns.
I am glad Priuschat has become such a good resource for flippers. Not so good for buyers. Many advanced hg problems need an engine....
Jan 14, 2026 at 4:02 PM -
rjparker replied to the thread Replacing spark plugs.
I have never done anything on my 12v's coolant drain and fills other than leaving the reservoir cap loose during the initial warmup....
Jan 14, 2026 at 3:36 PM -
rjparker replied to the thread Does this really happen with prius PHEV owners ??.
Weather and extension cords are a factor for owners who don't park in a garage. People are too lazy to plugin a Prime when gas is under...
Jan 14, 2026 at 2:49 PM -
rjparker replied to the thread Possible Head Gasket or EGR Concerns.
Most early stage gen3 hg leaks quickly seal when the cylinder warms up masking misfire codes. The guy is selling it as is for $2k.
Jan 14, 2026 at 8:16 AM -
rjparker attached a file to the thread Is every Gen 2 DIYer on a collision course with an engine swap?.
When Toyota was rebuilding gen3s due to excessive oil consumption, the metric was a minimum of one quart in 1100 miles. Toyota had...
Jan 14, 2026 at 8:03 AM
-
rjparker replied to the thread Possible Head Gasket or EGR Concerns.
Its a guaranteed head gasket problem and advanced at that. Which means it very likely needs an engine not just a $2,500 head gasket....
Jan 14, 2026 at 12:53 AM -
rjparker attached a file to the thread Replacing spark plugs.
Looks like bottom reservoir hose to radiator [ATTACH] [ATTACH] [ATTACH]
Jan 13, 2026 at 9:49 PM
-
rjparker attached a file to the thread Do I need to worry about these leaks?.
My second timing chain cover leak: This was an aftermarket oil pressure switch I swapped thinking the leak was from the switch [ATTACH]...
Jan 13, 2026 at 1:05 PM
-
rjparker replied to the thread Is every Gen 2 DIYer on a collision course with an engine swap?.
Just keep oil in it. Most shops keep the JDM accessories attached which makes the swap easier. I have seen it done in one day by an...
Jan 13, 2026 at 7:55 AM -
rjparker replied to the thread Do I need to worry about these leaks?.
It would help to have a long shot of the area for reference. First an "oil stain" is no big deal and could be from a small spill in the...
Jan 13, 2026 at 12:40 AM -
rjparker attached a file to the thread Powering Hybrid Battery Fan Externally.
Gen3 has a variable speed battery cooling blower with pulse width modulation control. [ATTACH] [ATTACH] [ATTACH] [ATTACH]
Jan 12, 2026 at 11:34 PM
-
rjparker attached a file to the thread Gen 4 Engine into Gen 3 Prius Partial Guide.
I believe that is a gen4 coolant bypass direct to the egr cooler as shown below. Gen3 is different on the secondary flow. With a gen4...
Jan 12, 2026 at 8:14 PM
