Questions tagged [rebuild]

Rebuilding parts and/or vehicles.

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2answers
59 views

Rebuilding EV1 Injectors

I recently bought the parts to rebuild EV1 (34.6# @ 43.5psi) injectors. The parts include the microfilter, flat support disk (for the injector end), and the supporting top cover (for the fuel rail end)...
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1answer
22 views

Cam phaser on 2008 Impala 3.5

I'm getting ready to rebuild this motor and don't have experience with cam phasers. When taking the cam phaser off and reattach after rebuild, do I need to do anything specific to make sure there are ...
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0answers
34 views

Just had engine rebuilt, since that i had to replace fuel pump, now heater is blowing and no hot air. Could this be due to the rebuild done?

i just had an engine rebuild and since have had several minor but potentially expensive issues. Can a heater be affected by an engine rebuild? I picked it up 3 weeks ago and was informed that if my ...
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1answer
27 views

Swift dzire diesel engine rebuild mileage dropped to 18 to 12 KM

I did my vehicle engine rebuild in authorized service center varun motors Hyderabad . After service I noticed that milage drop to 12Km per Lt with A/C,Earlier it was around 18km in city. I asked to ...
2
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1answer
206 views

On a V6 engine is it OK to replace one head and not the other?

Situation is the cylinder head of a Mitsubishi 3.0 liter V6 engine was damaged after sucking a washer into the intake manifold. Question: is it OK to just replace the one damaged head or do both ...
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0answers
41 views

Does exhaust smoke always acompany engine burning oil?

Car(civic vti) is currently loosing a lot of engine oil. I've already put 4 liters in over a few months\maybe 1000k miles. Mechanics cannot find any leaks but they couldn't see smoke coming out of ...
2
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2answers
486 views

Transmission Rebuild or Replacement

I have been reading and hearing about transmission rebuilding or replacement. Today a person was asking if they should sell their car or keep repairing it (it had a transmission problem). Notice that ...
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4answers
3k views

Is there a hack to repairing a seized engine?

Last week I drove on the interstate for about 1 mile when my engine died. the oil light never came on but it was low on oil and a couple thousand miles overdue for an oil change. I had it towed to a ...
2
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2answers
149 views

How common is this ? (Burst a strut)

This is just for my interest. There are cheap shock absorber rebuild services. They tell they can rebuild my strut. But manufacturer has told that it couldn't be rebuild (Twin tube oil-gas cartridge)....
3
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1answer
156 views

Rebuilt engine: cranks but lots of white/grayish fumes

So today I cranked the engine I was rebuilding (Skoda Estelle/120 '72, RWD, rear mounted engine) and while it started, yes, but not without some struggling, I got a lot of white or light grayish fumes....
2
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2answers
3k views

On rebuilding an engine: can anyone define “free spinning the crankshaft”?

As I'm adding more parts to the engine I'm rebuilding, and reading its Haynes and other manuals, I get more confused with those parts that should let the crankshaft "free spinning", as said in the ...
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0answers
84 views

Light abrasion on the valve stems - is the outlook gloomy?

Background I'm rebuilding my LS1 Chevy. The cylinder heads came back from the machine shop fresh with a 5-angle valve job and mechanically-lapped valve faces and seats. What concerns me is the ...
4
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3answers
117 views

Viability of replacing engine 1996 Volvo?

I have a 1996 Volvo 850. It runs well, but the engine is 20 years old and I am concerned it may not last forever. The coolant is brownish, so I am afraid there might be a cross-contamination between ...
3
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4answers
435 views

Lapping valves by hand - does the compound have to be cleaned off?

I'm hand-lapping valves on the LS1. This is probably a silly question, but I just wanted to confirm that I have to wipe off the lapping compound prior to the hydro test.
4
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1answer
81 views

Should I be concerned about eccentric valve rotation?

Yup, it's that infamous Exhaust Valve #3 again (that "6" is a misnomer). It's now back from the machine shop, with a freshly-cut valve face as part of a 5-angle valve job. Now that the valve and ...
6
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1answer
2k views

This valve is pitted - what options do I have?

This is that infamous Exhaust Valve #3 after cleanup. The cylinder had a history of fuel/spark-related misfires. As the images show, the lip of the valve is pitted. Here is the back of the valve. I ...
6
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1answer
738 views

Is this cylinder head junk?

There's a chunk of aluminum missing from the surface of my LS1 cylinder head. In the picture below it is located on the edge of the rusty looking cooling jacket port. Is this something to be ...
9
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1answer
1k views

Do I risk damaging the valve seat if I lap this valve without removing carbon build-up?

This valve is from my LS1 (Exhaust #3). It's suffered from a lot of carbon build-up due to a history of fueling/spark problems. I've tried cooking it in ethylene glycol. I've tried using abrasion ...
6
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1answer
722 views

How to store a just rebuild automatic transmission

I bought a BMW e39 with a bad transmission (ZF 5HP18). I bought another one in a junk yard and I plan to rebuild myself the one that came with the car and keep it as a spare. My question is: after I ...
2
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1answer
984 views

Motorcycle Engine Test Without Oil

This weekend I finished my engine rebuild so I tried to run it, after a few tries I was gone check the oil pressure on engine head bolt and not even a drop. I had run the engine sometimes but not ...
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0answers
191 views

Car with rebuilt engine cracked after driving 3,000 miles [closed]

I bought a used 2004 Hyundai Sonata with 120K miles that had a rebuilt engine. When I bought the car, I noticed the oil light would turn on and would stay on if the car was idling. The mechanic who ...
18
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5answers
55k views

What should always be replaced when rebuilding an engine?

If the purpose of the rebuild is to bring the engine back (or as close as feasibly possible) to its original performance, what are some things that should always be replaced? This obviously depends ...
5
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2answers
14k views

When to bore a block during a rebuild?

While reading this question about a motorcycle cylinder and piston, the question comes to mind basically for the same thing, only for an automobile engine. With this in mind, my questions are: When ...
3
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1answer
503 views

General Order Of Engine Removal Steps

Hopefully soon I will be removing the engine out of my 1964 Mercury Comet Caliente in order to do a rebuild of it. While I know all of the steps that are required to remove the engine, I was wondering ...
6
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2answers
6k views

Using a thicker head gasket when the cylinder head resurface limit is reached

I just bought a 2000 Civic 1.6L ( d16y8 ) with no compression in one cylinder. Four years ago, the engine overheated, and was completely rebuilt by the Honda dealership. One of the things on the ...
8
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3answers
26k views

How do I properly break in an engine after a rebuild

I just changed my engine's piston rings and do not know how long I should let the engine break in. The engine is an '06 Chevrolet 1.5L SOHC. And how is the procedure done just by letting it sit idly?
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0answers
28 views

Opinion on buying a Lancer A17++ vehicle [duplicate]

I guess this would be an ideal place to ask this question! If not, please direct me to a suitable forum. :) So my question is, I'm going to buy my first car and, ever since I was a kid I fell in love ...
9
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3answers
1k views

Should I replace piston rings on chevy 350?

I recently acquired a chevy 350 manufactured in 2015 for free because of some crank issues. I'm in the process of rebuilding it and have finished the disassembly of the engine. The engine itself only ...
5
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0answers
117 views

GM 4L60-E Rebuild Questions - Part 1

I am in the process of rebuilding my first 4L60-E (I've done a 4L30-E before) and I had a couple questions. 1st: In terms of the input drum pistons I know there are both aluminum and steel models, ...
14
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4answers
15k views

How to Remove Core Plugs? (aka Freeze Plugs)

I have been removing core plugs from an engine I'm rebuilding with varying levels of violence. The engine block is aluminium and I'd like to reduce the chance of of me damaging it. How do I remove ...
5
votes
1answer
68 views

How much should I replace in a motor swap? (Plymouth 440)

I am building a BigBlock Demon and have just bought the motor I plan to swap into it. It came from a '75 Dodge truck and is unmolested in terms of bores and modification. The motor was a '75 440 ...
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3answers
3k views

Steam out of exhaust after complete engine rebuild

I have completed a full engine rebuild, down to the bare block, of my Tacoma. Replaced all the gaskets, cleaned and lapped all the valves tight, tuned the valve lashes to spec, cleaned everything, ...
4
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1answer
657 views

Things to consider when building a stroker small block Chevrolet

So I'm looking at the decision to buy vs build a 383 Chevy for my motorhome. I've built motors before but they were all import engines where the most machining done was a small overbore. I'll most ...