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92 toyota cressida compression?
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dave284
Enthusiast
Sep 21, 2008, 5:04 PM
Post #1 of 22
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92 toyota cressida compression?
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Hi Guys, Its been awhile but things here have got to a point where I have no time for myself and the wife is riding my back because of it, lost 20 pounds and a handful of hair too. I really don't like working on these older Toyotas, the trouble I have ran into now is a 92 Cressida....I replaced head gasket and valve seals but there is a miss in the engine that I'm having a problem with. I had the head surfaced and two valves replaced, I just got done doing a compression test....I wanted to know your advice on the results.....
cylinder #1 120 with oil added #1 125 these are the readings I got
#2 110 #2 120
#3 125 #3 125
#4 120 #4 125
#5 105 #5 120
#6 110 #6 120
If the compression is satisfactory...then the timing may be needing attention, the new timing belt did fit slightly tight before the tentioner was applied. And another thing I notice, when I turned the car off I heard a bubbling noise in the radiator??? I would appreciate any help if possible.
Dave
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Jeff Norfolk
Enthusiast
Sep 21, 2008, 5:46 PM
Post #2 of 22
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Re: 92 toyota cressida compression?
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Looks a bit low in a couple but I would think it would be ok. Wouldn't hurt to pump some air in the cylinders and try to duplicate the bubbling in the radiator. May just be air escaping but it would be easy to find out.
Jeff
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dave284
Enthusiast
Sep 22, 2008, 7:46 AM
Post #3 of 22
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Re: 92 toyota cressida compression?
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Thanks for the response Jeff, Last night I was going over the engine and there was another problem that caught my attention....don't know if this has any thing to do with the slight miss, the top radiator hose closed in on itself when I rev the engine,the temp gauge went to the half way mark quick and stayed there, I felt the top radiator hose..it was hot, the bottom hose was luke warm. There is also this thumping sound, not a knocking but a thumping, it starts then stops, coming from the front of the engine...I'm wondering if the water pump could make a sound like that? Anyhow I'm removing the t-stat and testing it, I also thought the compression readings were on the low side too, but would do. I'm gonna recheck the timing and do a leak down test...I think that bubbling noise was the coolant boiling, cause it was doing it right after the vehicle was cut off. I'll let you know what I find out later, if you think I'm overlooking something or haven't done yet please let me know. Thanks Jeff.
Dave
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 22, 2008, 3:02 PM
Post #4 of 22
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Re: 92 toyota cressida compression?
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Hey Dave - You know I'm watching. What the hecks with the upper hose collapsing!!!! Water pump can suck a lower hose shut tight (ever see springs used in lower hoses to stop that?) with rpms and return to norms at idle was a complaint hard to find right in front of you they behaved.
Is there a way this water pump is spinning backwards with anything in the job? That still would't account the the "miss" you mentioned till heat was a factor IMO.
I forget what car back when but is this set up ....T-Stat to top hose to rad to lower and return? Saw just one odd duck pushed backwards by design but I didn't think Toyota was it.
Where do you come up with these critters anyway?
 Tom
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dave284
Enthusiast
Sep 22, 2008, 4:09 PM
Post #5 of 22
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Hi Tom, I always get the worst ones ....Anyhow it was the top hose, I just let the car run for 15 minutes and stuck the hose that goes in at the resivore into a clear jar, soon after the engine got hot the jar started to fill up and then bubbles started pushing out...a lot. I turned the car off and heard the coolant boiling. I think the head gasket didn't seat right....so tonight I start breaking this engine down AGAIN. This time I'm gonna use copper spray on that gasket. I tested the t-stat its working and the water pump seems to be o.k. The reason I think the head gasket is at fault is the top hose was very hot and the bottom hose was hardly warm. Any thoughts Tom, I really tired of this vehicle. I was hoping it was the water pump.
Dave
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Tom Greenleaf
Ultimate Carjunky
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Sep 22, 2008, 5:14 PM
Post #6 of 22
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Top hose would be almost fully t-stat's temp and the idea is to cool coolant in rad for return. It was the collapsing that caught my eye and not sure what you were up to. It would take a while to burp out air. Some cars just once after a fill and some a PITA like the ones you run into
If gasses under pressure are getting in you know it will pressure up fast and repressure if you can remove cap and put back on without a geiser. Your compression test seemed even enough but low by # to me. Pressure testing cooling system might not show coolant leaking backward to burn - that isn't a sure thing if they hold that things are right either.
Keep at it. Jeff was here first and I'll catch up later. I'm off for two days now if I can't snag someone's puter somewhere so catch you then,
T
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dave284
Enthusiast
Sep 22, 2008, 11:29 PM
Post #7 of 22
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Re: 92 toyota cressida compression?
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Just done a leak test on the valves....all are leaking except two. I paid the machine shop $200 to check for this and to replace three valves . I would like to know if this would cause the antifreeze to be pushed out or cause an overheating problem, since it heated up very quickly? There were no signs of a leaking head gasket, I pressure tested each cylinder at 80 to 140 PSI . I haven't removed the water pump yet and it was hard to tell if it was bad at the beginning cause I really didn't feel any surge from the top hose, I'll be taking that head off and also the water pump tomorrow...its 2 hours past midnight and I'm very tired and pissed at the same time...thanks Jeff and Tom for your time.
Dave
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dave284
Enthusiast
Sep 23, 2008, 8:20 PM
Post #8 of 22
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Well guys, look like the machine shop might have got one on me. I removed all 24 valves and checked the seats and faces....I'm no expert at valves, from the couple of leak test I've done and the look of the valve seats, there is no-way that the valves WOULDN'T leak. And since I replaced the valve seals....how would a vacuum test work with having leaking ones?
Dave
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Jeff Norfolk
Enthusiast
Sep 24, 2008, 1:21 PM
Post #9 of 22
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Leaking valves won't cause the car to get hot or puke the antifreeze. It will really only affect the performance. How did the plugs look when you took them out the second time after running it? Any signs ov water?
Jeff
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Jeff Norfolk
Enthusiast
Sep 24, 2008, 1:31 PM
Post #10 of 22
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Also I'm wondering if the car was getting hot prior to repair, caused an engine failure (like warped head) that would look like a head gasket problem? I think you said that they milled the head. If thats the case you may be dealing with the original problem of overheating along with the new running bad problem that the machine shop created. I wounder if the radiator is blocked and sucking the top hose closed? This would also explain the cool radiator on the bottom and hot on the top.
Jeff
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dave284
Enthusiast
Sep 24, 2008, 2:08 PM
Post #11 of 22
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Hi Jeff, I been racking my head off about this thing, last night found all exhaust valves are leaking,I remove the exhaust valves from the head this morning, all the seats look burnt,if the fuel was getting to much air from the leaking valves wouldn't that cause the head to over heat? It never over heated before the head work was done also there were no signs of a headgasket problem, the original problem was a severe miss and leaking valve seals, I called the machinist who worked on the head, he said when I replaced the seals that I didn't mark the valves in the the exact seating, not the order. In that case all the intake valves should leak too, but they don't. the overheating thing is a mystery to me too, before the temp got half-way it was pushing coolant out...but it wasn't doing that to begin with....so I'm thinking the head has got to something to do with it.I'm gonna take the water pump off in a little bit, maybe it might have cause the over heating, who knows? I'll catch up with you later, thanks Jeff.
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dave284
Enthusiast
Sep 25, 2008, 9:13 PM
Post #12 of 22
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I had a talk with the customer about this head problem, it seems another mechanic replaced the head earlier and decided not to have anything else to do with the vehicle...there were some words exchanged and that was that. The head was bought at a salvage yard and the warranty is still valid, I called them yesterday and this morning....I don't know of yard, anyhow they seem to be trying to avoid me, they keep saying they will return my phone calls...and don't. I lapped all the valves and the pos still leaks, check all the valve clearance and still it has a valve tap. Really not knowing next step.
Just thought of next step...load fishing rods/cooler/net in van and head to the coast....get back to it Monday morning, later.
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Jeff Norfolk
Enthusiast
Sep 26, 2008, 4:06 PM
Post #13 of 22
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The next step could be to take it to the coast with you and ghost ride it into the water. Just a thought that I sometimes have at work. Thought it may help
Jeff
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Double J
Veteran
/ Moderator
Sep 27, 2008, 10:28 AM
Post #14 of 22
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You know what I say Dave!
Jim
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Dynamix
Novice
Sep 29, 2008, 6:18 PM
Post #15 of 22
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Just a thought, have you checked the resvoir for the antifreeze for coagulation or debris?
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dave284
Enthusiast
Sep 30, 2008, 12:25 PM
Post #16 of 22
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With my luck...I would get stuck in the car at that time. The bad luck I had with that Toyota followed me to the coast, the only things I caught while fishing were sting rays and damm pin fish. And the next day I fell thru a rotted board on the same pier, twisted my ankle and pulled a tendon. The rest of the day was spent at the emergency room...talk about (bad luck), I'm more stressed now than before, goodbye coffee, hello whiskey.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 30, 2008, 4:32 PM
Post #17 of 22
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I beat way2old to it for you! Word has it there's a fuel delivery problem in your area - - maybe you can use some of this to boost octane and MPGs.
T
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way2old
Veteran
/ Moderator
Sep 30, 2008, 4:36 PM
Post #18 of 22
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HELL YEAH!!!!!!!!!!!!!!!!!!!!!!!
Being way2old is why I need help from younger minds
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dave284
Enthusiast
Oct 1, 2008, 1:30 PM
Post #19 of 22
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Thanks Tom, In my wild days I have bought shine that would run an engine....it ran mine, that for damm sure. Tom, there was a scare last week about the gas pumps in Raleigh were being cut off for a week, but that was just hear/say. All it was the delivery trucks were late.
Well customers are P-off at me now, parts are coming in late...and I can't hardly walk. I think I'll hop out to the shop, lock the doors, turn on some JONES and break the seal. Good night everybody Dave has left the building!
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dave284
Enthusiast
Oct 2, 2008, 7:07 PM
Post #20 of 22
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Second used head arrived today, I tested it,....its a piece of sh#t. Some advice to those are considering of using used head for Toyota 6 cylinders. You would save money and time with a reman.
used head...$375.
valve work...$183.
gasket set...$119.
Total $677.
sent head back for another, which was bad too. Lost $300 and order second head gasket set. But light is at the end of the tunnel, machine shop has one all new valves/seals/lifters and cams....$450, PICK UP TOMORROW . And I checked the water pump...no problem there, so the overheating had to come from the bad head,now if my damm knee would quit hurting I would be back in the race.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Oct 2, 2008, 11:52 PM
Post #21 of 22
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Dave! You should have stayed home and sent the car to that pier! You'd both be better off,
T
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dave284
Enthusiast
Oct 3, 2008, 6:48 AM
Post #22 of 22
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If it wasn't for bad luck...I would have no luck at all.
Tom, I can't argue with that.
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